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    Academic Journal

    Source: Proceedings of the National Academy of Sciences of the United States of America, 1993 Aug 01. 90(15), 7240-7244.

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    Academic Journal
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    Academic Journal

    Source: Proceedings of the National Academy of Sciences of the United States of America, 1992 May 01. 89(9), 3917-3921.

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    Academic Journal

    Source: Library Trends. Sum 1980 29(1):127-138.

    Peer Reviewed: Y

    Page Count: 12

    Journal Code: CIJFEB1981

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