Ulrich's international periodicals directory 1989-90 - 28th ed. - New Jersey: R. R. Bowker A Reed Reference Publishing Company, 1989 - liii, 3684-5273p. Vol. 3 Indexes bowker international serials database Including irregular serials and annuals ISBN: 0835227324 Subjects--Topical Terms: Periodicals Subjects--Index Terms: Directory Universal Decimal Class. No.: R 05(058.7) / J9;M9.3;1