Neither could I have undertaken the Master of Librarianship Course without the generous financial award of the Commonwealth Public Service Board and the moral and technical support of my Department. During the analysis, tabulation and computing of the gathered data, many people became involved with this project. I am grateful above all to Ian Keppel of the Australian Bureau of Census and Statistics for his invaluable help in mastering the SPSS package and the concept of 'half life' of the

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... ture, to my son Friderick Pribac for the many hours he spent with me sorting and collating the data and helping me with my rusty algebra and arithmetic. I have a great deal of sympathy also for the ladies in our typing pool who probably found my calligraphy a puzzle yet managed to type the project. I am most grateful also to my wife, Sophie, who seeing the weeds growing profusely in our garden during the last two years, has nevertheless volunteered to bind this report. iii But above all I wish to acknowledge my indebtedness to my supervisor, Ms Carmel Maguire, Associate Professor, School of Librarianship at the University of New South Wales, who believed I could do this Course and project and who kept me 'on-line' with her criticism and generated so much enthusiasm during her lectures. the Australian Parliamentary Library who convinced me to attempt the Course and generated the interest in its usefulness for efficient management of library resources. And finally, it was John Brudenall, Principal Librarian at Bert Pribac Librarian, Commonwealth Health Department iv. CONTENTS Acknowl e dgement s Contents List of Appendices List of Tables Rank Lists of Journals * According to the Dorland's Illustrated Medical Dictionary, 25th Edition. Philadelphia, Saunders, 1974* * This variable has been suggested also by Frances Flynn, Chief Librarian, Harvard Center for Community Health and Medical Care, Harvard University, U.S.A., in a personal letter. 'residual demand'v ' and what I would rename 'filtered residual demand'. Any general inferences from the analysed results will be analysed and should be understood in this context.