Use studies Library catalogs 5 Information services 4 Academic libraries 2 Library use studies 2 Periodicals 2 Subject headings 2 Abstracting and indexing 1 Administration 1 Audio-visual materials 1 Bibliometrics 1 Business information services 1 Case studies 1 Catalogs, Subject 1 Indexes 1 Industries 1 Information retrieval 1 Libraries and students 1 Library catalogs on microfiche 1 Library cooperation 1 Risk communication 1 Science 1 Student teachers 1 Students, Part-time 1 Technical college libraries 1 Technical education teachers 1 Training of 1