New model formulations and solution methods are given for the Journal Selection Problem. The results are developed in a framework that can also accommodate problems with a somewhat different structure than the Journal Selection Problem, thus providing new solution strategies for these problems as well. (32 references) (Author/NH)

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)