Ulrich's international periodicals directory : 1993-94 : including irregular serials & annuals : Vol. 4 :Indexes.
- 32nd ed.
- Bowker, 1993.
- Ixii, 5455-7735 p.
- A Bowker serials bibliography .
Ulrich's plus Ulrich's on disc Ulrichsweb.com <> Bowker serials bibliography / Supplement to Ulrich's international periodicals directory and Irregular serials and annuals Ulrich's quarterly <> Bowker international serials database update Ulrich's update
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