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The authors propose a bibliometric model for discarding journal volumes at academic libraries, i.e., removal to offsite storage as part of the library's serials collection. The method is based on the volume as the unit of measurement and on user satisfaction with given titles. The discarding age, calculated for each volume, from the year of publication to the year of decision to discard, is dependent on citation half-life, relative productivity, knowledge area, and residual utility (potential consultations). The model makes it possible to predict the approximate size of a collection when a stationary state is reached in which the inflow of journal volumes is equal to the outflow from discarding. The model is also able to determine the rate of growth of the holdings. This information can be used to optimize future use of available space and economic and maintenance resources; thus promoting efficient management of the collection. [ABSTRACT FROM AUTHOR]

This research paper is intended as a listing of important components of an information network. A formal information network has evolved which can lead users to the discovery of bodies of knowledge in specific fields. The article presents listings of general sources of information on various topics, such as Economics, Statistical data, Marketing and Accountancy. The sources listed include bibliographies, indexes, abstracts, and libraries devoted to the various subject matter.