The Standard Periodical Directory : the Largest Authoritative Guide to United States and Canadian Periodicals Information on More than 75.000 Publications - 14th. ed. - [New York] : Oxbridge Communications, 1991. - 1832 p. ; 29 cm. Subjects--Topical Terms: PUBLICACIONES PERIODICAS-DIRECTORIOS Universal Decimal Class. No.: 05(058.7)