Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	Tolle, John E. Current Utilization of Online Catalogs: Transaction Log Analysis, 0CLC Research Report OCLC/OPR/RR83-2, Online Computer Library Center, Inc., Dublin, OH, 1983.
	2	John E. Tolle, Monitoring and evaluation of information systems via transaction log analysis, Proc. of the third joint BCS and ACM symposium on Research and development in information retrieval, p.247-258, November 1984, King's College, Cambridge
	3	John E. Tolle, Transaction log analysis online catalogs, Proceedings of the 6th annual international ACM SIGIR conference on Research and development in information retrieval, June 06-08, 1983, Bethesda, Maryland
	4	Tolle, John E. "Understanding Patrons Use of Online Catalogs: Transaction Log Analysis of the Search Method," Produetivlty in the Information Age, Proceedings of the 46th American Society for Information Science Annual Meeting, Vol. 20, 1983.
	5	William David Penniman, Rhythms of dialogue in human-computer conversation., 1975
	6	Penniman, W. D. "A Stochastic Process Analysis of On-llne User Behavior," Proceedings of the American Society for Information Science, 38th Annual Meeting, 1975.
	7	Penniman, W. D. "Modeling and Evaluation of On-line User Behavior," Final Report to National Library of Medicine, Grant No. NLM/EMP(I R01LM 03444-01), OCLC, Inc., Dublin, OH, 1981.
	8	Penniman, W. D. and Dominick, W. D. "Monitoring and Evaluation of Online Information System Usage," Information Processing and M~anagement, Vol. 16, pp 17-35, 1980.
	9	W. D. Dominick , W. D. Penniman, Automated monitoring to support the analysis and evaluation of information systems, Proceedings of the 2nd annual international ACM SIGIR conference on Information storage and retrieval: information implications into the eighties, p.2-9, September 27-28, 1979, Dallas, Texas
	10	Chapman, Janet L. "A State Transltion Analysls of Online Information - Seeking Behavior," Journal of the American Society for Information Science, September, 1981.

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