Gives a model to interrelate the measures of service used in a library. (Author/PF)

Shows how simple probability theory can serve to remove the bias from a sample so that estimates of total yearly circulation and circulation distribution can be calculated from circulation desk data. (Author/PF)

Reports on a study in the public libraries of Champaign and Urbana, Illinois, to determine whether public library circulation of a sample of books will be greater for those volumes displayed in a prime location than for those in their regular places on the shelves. (FM)

Mathematical models of library operations are presented which describe the amount of use made of resources by a user in a visit, the distribution of book circulation in a collection, the dependence of circulation on time, and the effect of multiple copies on user satisfaction. (9 references) (Author/NH)

This study found the patterns of circulation in various categories of adult books to be similar across the branches of the Indianapolis-Marion County Public Library. In only some subject categories, branch circulation levels were related to socioeconomic characteristics. (AEF)