Patron use of periodical indexes at an urban academic research library was studied over a 7-week period in the summer of 1982. A total of 98 patrons were interviewed on a random basis as they used various periodical and newspaper indexes. The questionnaire was designed to gather information on citation elements, the methods patrons use to locate…

Describes a model enumerating cost factors for comparing costs for paper, online, and CD-ROM indexes and abstracts. The model is applied to start-up and annual costs, and to the cost of storing and providing access to ERIC, Applied Science and Fisheries Abstracts, and Excerpta Medica, based on anticipated academic library usage. (MBR)