Dedications D.F.A.:To my wife and very best friend,Roberta, mother of our four children,Dave,Dan,Doug,and Jayne L.A.C.:To the memory of Dr.Alf de Ruvo, coadvisor of my Ph.D.dissertation and long-time friend. R.B.P.:To the memory of Professor Roy McCullough for his three decades of warm and supportive friendship. ©2003 by CRC Press LLCDedications D.F.A.: To my wife and very best friend, Roberta, mother of our four children, Dave, Dan, Doug, and Jayne L.A.C.: To the memory of Dr. Alf de Ruvo, coadvisor of my Ph.D. dissertation and long-time friend. R.B.P.: To the memory of Professor Roy McCullough for his three decades of warm and supportive friendship. TX001_FM_Frame Page 5 Saturday, September 21, 2002 4:46 AM © 2003 by CRC Press LLC