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    5. For example: King, D.W., D.D. McDonald, N.K. Roderer, and B. Wood. 1976. Statistical Indicators of Scientific and Technical Communication. (1960-1980): Vol. 1 A Summary Report. GPO 083-000-00295-3 and King, D.W. and N.K. Roderer. 1978. Systems Analysis of Scientific and Technical Communications in the U.S.: The Electronic Alternative to Communication Through Paper-Based Journals. NTIS: PB281-847.

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