The hub network design problem:M.E.O'Kelly and H.1.Miller structure'.European Journul of Operational Research,62.pp. programming approach to air cargo flcet planning'.Management 105-115 Science,26.Pp.1096-1107 Daganzo.C.F.(1987)'The break-bulk role of terminals in many- MeShan.S.and Windle,R.(1989)'The implications of hub-and- to-many logistic nctworks'.Operations Research.35. spoke routing for airlinc costs and competitiveness',Logistics pp.543-555 and Transportation Review,25(3).pp.209-230) Devany.A.S.and Garges.E.H.(1972)'A forecast of air travel Minas.J.S.and Mitten.L.G.(1958)"The hub operation and and airport and airway use in 1980',Transportation Research.6. scheduling problem',Operations Research.6.pp.329-345 pp.1-18 O'Kelly,M.E.(1986)The location of interacting hub facilitics' Dempscy.P.S.and Goctz.A.R.(1992)Airline deregulation and Transportation Science,20,pp.92-106 laissez-faire mythology,Westport,CT:Ouorum Books O'Kelly,M.E.(1987)A quadratic integer program for the Flynn.J.and Ratick.S.(1988)'A multiobjective hierarchical location of interacting hub facilities'.European Journal of covering model for the Essential Air Services program'. Operational Research,32.pp.393-404 Transportation Science.22.pp.139-147 O'Kelly,M.E.(1992a)'Hub facility location with fixed costs' Fotheringham.A.S.and O'Kelly,M.E.(1989)Spatial interaction Papers in Regional Science 71(3).pp.293-306 models:formulations and applications,Dordrecht:Kluwer O'Kelly.M.E.(1992b)'A clustcring approach to the planar hub Goldman.A.J.(1969)'Optimal location for centers in a network'. location problem'.Annals of Operations Research.40 Transportation Science.3.pp.352-360) pp.,339-353 Hall.R.W.(1987)'Comparison of strategics for routing ship- O'Kelly.M.E.and Lao.Y.(1991)'Mode choice in a hub-and- ments through transportation terminals' Transportation spoke network:a zcro-one linear programming approach', Research A.21A.pp.421-429 Geographical Analysis,23.pp.283-297 Hall.R.W.(1989)Configuration of an overnight package air O'Kelly.M.E.and Miller.H.J.(1991)Solution strategics for nctwork'.Transportation Research A.23A.pp.139-149 the single facility minimax hub location problem'.Papers in Helme.M.P.and Magnanti.T.L.(1989)'Designing satellite Regional Science,70.pp.367-380 communication networks by zero-one quadratic programming' O'Kelly,M.E..Skorin-Kapov,D.and Skorin-Kapov,J.(1993) Nerworks.19.pp.427-450 An improved lower bound estimate for the hub location Kanafani.A.and Ghobrial.A.A.(1985)'Airline hubbing: problem'.Management Science (forthcoming) Some implications for airport cconomics'.Transportation Powell,W.B.and Sheffi,Y.(1983)'The load planning problem Research A,19A,pp.15-27 of motor carriers:problem description and a proposed solution Klincewicz.J.G.(1991)'Heuristics for the p-median hub location strategy'.Transportation Research A.17A.pp.471-480 problem'.European Journal of Operational Research.53. Shaw.S.-L.(1993)'Hub structures of major US passenger pp.25-37 airlines',Journal of Transport Geography,1,pp.47-58 Klincewicz,J.G.(1992)'Avoiding local optima in the p-hub Skorin-Kapov,D.and Skorin-Kapov,J.(1992)'On tabu search location problem using tabu search and GRASP'.Annals of for the location of interacting hub facilities',European Journal Operation Research,40,283-302:presented at ISOLDE V. Operational Research (torthcoming),manuscript June 1990 W.A.Harriman School for Management and Policy.SUNY Kuby.M.J.and Gray.R.G.(1993)"The hub network design Stony Brook problem with stopovers and feeders:the case of Federal Toh.R.S.and Higgins.R.G.(1985)'The impact of hub and Express'.Transportation Research A.27A.pp.1-12 spoke network centralization and route monopoly on domestic Lcung.J.M.Y..Magnanti.T.L.and Sighal.V.(1990)Routing airline profitability'.Transportation Journal.24(4),pp.16-27 in point-to-point delivery systems:formulations and heuristics' Weinstein.S.B.(1982)'A perspective on financial industry Transportution Science.24.pp.245-260 networking',Journal of Telecommunication Networks.1(4). Marsten.R.E.and Mucller.M.R.(1980)'A mixed-integer pp.317-332 40 Journal of Transport Geography 1994 Volume 2 Number IThe hub network design problem: M. E. O'Kelly and H.J. Miller structure'. European Journal of Operational Research, 62, pp. 105-115 Daganzo, C.F. (1987) 'The break-bulk role of terminals in many￾to-many logistic networks', Operations Research, 35, pp. 543-555 Devany, A.S. and Garges, E.H. (1972) 'A forecast of air travel and airport and airway use in 1980', Transportation Research, 6, pp. 1-18 Dempsey, P.S. and Goetz, A.R. (1992) Airline deregulation and laissez-faire mythology, Westport, CT: Ouorum Books Flynn, .I. and Ratick, S. (1988) 'A multiobjective hierarchical covering model for the Essential Air Services program', Transportation Science, 22, pp. 139-147 Fotheringham, A.S. and O'Kelly, M.E. (1989) Spatial interaction models: formulations and applications, Dordrecht: Kluwer Goldman, A ..I. (1969) 'Optimal location for centers in a network', Transportation Science, 3, pp. 352-360 Hall, R.W. (1987) 'Comparison of strategies for routing ship￾ments through transportation terminals'. Transportation Research A, 21A, pp. 421-429 Hall, R.W. (1989) 'Configuration of an overnight package air network', Transportation Research A, 23A, pp. 139-149 Helme, M.P. and Magnanti, T.L. (1989) 'Designing satellite communication networks by zero-one quadratic programming', Networks, 19, pp. 427-450 Kanafani, A. and Ghobrial, A.A. (1985) 'Airline hubbing: Some implications for airport economics', Transportation Research A, 19A, pp. 15-27 Klineewiez, .I .G. (1991) 'Hcuristics for thc p-median hub location problem', European Journal of Operational Research, 53, pp. 25-37 Klincewiez, .I.G. (1992) 'Avoiding local optima in the p-hub location problem using tabu search and GRASP', Annals of Operation Research, 40, 283-302; presented at ISOLDE Y, June 1990 Kuby, M..I. and Gray, R.G. (1993) 'The hub network design problem with stopovers and feeders: the case of Federal Express', Transportation Research A, 27A, pp. 1-12 Leung, .I.M.Y., Magnanti, T.L. and Sighal, Y. (1990) 'Routing in point-to-point delivery systems: formulations and heuristics', Transportation Science, 24, pp. 245-260 Marsten, R.E. and Mueller, M.R. (1980) 'A mixed-integer 40 programming approach to air cargo fleet planning', Management Science, 26, pp. 1096--1107 McShan, S. and Windle, R. (1989) 'The implications of hub-and￾spoke routing for airline costs and competitiveness', Logistics and Transportation Review, 25(3), pp. 209-230 Minas, .I.S. and Mitten, L.G. (1958) The hub operation and scheduling problem', Operations Research, 6, pp. 329-345 O'Kelly, M.E. (1986) 'The location of interacting hub facilities', Transportation Science, 20, pp. 92-106 O'Kelly, M.E. (1987) 'A quadratic intcger program for the location of interacting hub facilities', European Journal of Operational Research, 32, pp. 393-404 O'Kclly, M.E. (1992a) 'Hub facility location with fixcd costs', Papers in Regional Science 71(3), pp. 293-306 O'Kelly, M.E. (1992b) 'A clustering approach to the planar hub location problem', Annals of Operations Research, 40, pp. 339-353 O'Kelly, M.E. and Lao, Y. (1991) 'Modc choice in a hub-and￾spokc network: a zer()-{me linear programming approach', Geographical Analysis, 23, pp. 283-297 O'Kelly, M.E. and Millcr, H..I. (1991) 'Solution strategies for the single facility minimax hub location problem'. Papers in Regional Science, 70, pp. 367-380 O'Kelly, M.E., Skorin-Kapov, D. and Skorin-Kapov, .I. (1993) 'An improved lower bound estimatc for the hub location problem', Management Science (fortheoming) Powcll, W.B. and Sheffi, Y. (1983) 'The load planning problem of motor carriers: problem description and a proposed solution strategy', Transportation Research A, 17A, pp. 471-480 Shaw, S.-L. (1993) 'Hub structures of major US passenger airlines', Journal of Transport Geography, I, pp. 47-58 Skorin-Kapov, D. and Skorin-Kapov,.I. (1992) 'On tabu search for the location of interacting hub facilities', European Journal of Operational Research (forthcoming), manuscript, W. A. Harriman School for Management and Policy, SUNY Stony Brook Toh, R.S. and Higgins, R.G. (1985) 'The impact of hub and spoke network centralization and route monopoly on domestic airline profitability', Transportation Journal, 24(4), pp. 16--27 Weinstein, S.B. (1982) 'A perspeetivc on financial industry networking', Journal of Telecommunication Networks, 1(4), pp.317-332 Journal of Transport Geography 1494 Volume 2 Numoer I