iST Common lis professional practices o Experimental information retrieval (Ir); o Citation analysis o Practical retrieval o Bibliometrics o General library systems theory (including library automation) o Science communication o User studies and theory o Indexing theory o Citation theory; and Communication theory Lanzhou university 2010Lanzhou University 2010 10 Common LIS professional practices Experimental information retrieval (IR); Citation analysis; Practical retrieval; Bibliometrics; General library systems theory (including library automation); Science communication; User studies and theory; Indexing theory; Citation theory; and Communication theory