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Hall, J. L. (James Logan), 1938-
Online bibliographic databases : an international directory / James L. Hall, Marjorie J. Brown.
— 2nd. ed. — London : Aslib ; Detroit, Mich. : distributed by Gale Research Co., c1981. xxx, 213 p. : il. ; 24 cm.
Incluye bibliografía e índice.
ISBN 0810305283 (North America). — ISBN 0851421385
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