Examines data on circulation and in-house use of academic library collections to assess differences according to use, measurement technique, and time period. The discussion examines differences in current periodical use and other kinds of uses, differences between circulation and in-house use, and the reliability of short sampling periods. (13…

Determines book obsolescence rates for instructional departments within university by analyzing annual library's circulation and relating patterns of library use to curricular programs. Immediacy and intensity of peak usage, use dispersion, and commonality of use were used to develop acquisition priority weighting formula. Twenty-two sources and…