英语基础选读 第2册PDF电子书下载

Contents 1

21．What Information Is after Harlan Cleveland 1

22．Post-Industrial Society and the Growth of Information:The Impact on Libraries by Rollin Marquis 12

23．Information Science—an Introduction by Charles H．Davis and James E．Rush 23

24．Information Transfer Cycle by F．W．Lancaster 32

25．Information Sources after William A．Katz 41

26．Bibliographies after William A．Katz 50

27．Indexes aftel Jean Key Gates 59

28．Encyclopedias after Jean Key Gates 70

29．Dictionaries by Jean Key Gates 82

30．Biographical Sources after Jean Key Gates 94

31．Ready-Reference Sources by William A．Katz 104

32．Geographical Sources after Jean Key Gates 115

33．Databases and Online Bibliographic Database Searching after Ching-chih Chen 126

34．Networks after William A．Katz 140

35．Information Retrieval and Boolean Logic by Claire Guinchat and Michel Menou 152

36．Online Catalogs after Joseph R.Matthews 164

37．Indexing and Vocabulary Control by Charles 177

H．Davis and James E．Rush 177

38．Abstracts and Abstracting by Charles H．Davis and James E．Rush 193

39．Research and Scientific Method by Charles H．Busha 206

40．Communication and Information by Claire Guinchat and Michel Menou 218

Key to Exercises Ⅱ and Ⅲ 234