Discusses alternative forms of the desirability distribution for library materials and demonstrates the differences in short- and long-term patterns of frequency distribution in the circulation of library materials. Four figures, an appendix on statistical models for library circulation, and a reference list are included. (Author/JL)

Anthropologists at seven universities were surveyed to determine their methods of information retrieval, choice of information sources, perception of the adequacy of library service, and information needs. Results show that journals, field data, and maps are important sources; interlibrary loan is often used; and the majority of needs are met by…