its use for union file creation : a feasibility study for a national datebase Ayers, F. H. (Frederick Henry) British Library Bibliographic Services Division. text bibliography enk London British Library, Bibliographic Services Division c1984 1984 monographic eng

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v. (various pagings) : ill. ; 30 cm. F.H. Ayres ... [et al.]. Includes bibliography. e-uk--- Publishers' standard book numbers Standards Great Britain Machine-readable bibliographic data Standards Great Britain Book industries and trade Code numbers Standards Great Britain Bibliography, National Databases Standards Great Britain Union catalogs Standards Great Britain 025.04 AYU 0712310207 (pbk.) : DLC 850122 20161107155815.0 501085