The variable" loan and duplication policy which was developed is described and also the considerable impact of implementation. The work is presented as a case study in library O.R. The great importance of analyzing the structure of problems is stressed and the nature and usefulness of models is described. (9 references) (Author/NH)

Six models are developed to analyze the cost options the University of California faces in providing access to academic journals. The driving force in this analysis is a movement by publishers to deliver the content of their journals via the Internet. The models assume electronic access will always be provided. Researchers like this capability…

Research conducted at Fisher Library, University of Sydney, which measured user failure to locate known items in catalog or on shelves, yielded overall failure rate of 35.9 percent (26.2 percent at catalog; 46.1 percent at shelf). User errors caused two-thirds of failures at catalog and more than half at shelf. Fifteen references are provided.…