Economies of database production: A. Elias and B. Unruh. The National Federation of Abstracting and Information Services, Philadelphia, PA (1990), xii + 116 pp., $50.00, ISBN 0-942308-29-8.

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论文评审过程:Available online 12 July 2002.

论文官网地址:https://doi.org/10.1016/0306-4573(93)90115-T