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)

Part I presents an initial review of the literature pertinent to the research problem. The literature review has two divisions. In the first division, the previous works relating to systems analysis studies of libraries or information storage and retrieval systems are reviewed. The second division includes the review of literature pertinent to the…