"0, . "
"ulrich's international periodicals directory: a clasified guide to current periodicals, foreign & domestic/ " - 15 ed. - uk : r.r bowker co. 1973. - "xl, 2706p.; 28 cm." - bowker serials bibliogaphy .
includes bibliography
0-8352-0650-5 hard cover
reference--
050. 0294 ulr
"ulrich's international periodicals directory: a clasified guide to current periodicals, foreign & domestic/ " - 15 ed. - uk : r.r bowker co. 1973. - "xl, 2706p.; 28 cm." - bowker serials bibliogaphy .
includes bibliography
0-8352-0650-5 hard cover
reference--
050. 0294 ulr