1. Requirements, Criteria, and Measures of Performance of Information Storage and Retrieval Systems;Bourne,1961
2. Research Study of the Criteria and Procedures for Evaluating Scientific Information Retrieval Systems,1962
3. M. Lesk, Man-machine Relations in Future Information Centers, (unpublished paper).
4. Automatic Information Organization and Retrieval;Salton,1968
5. An Efficiency Model and a Performance Function for an Information Retrieval System;Rothenberg;Comparative Systems Laboratory Report No. 13,1967