Descripción
Publicado:Began with vol. 1, no. 1 (Apr. - May - June 1949)
Frecuencia de Publicación:Quarterly
Formato:Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
ISSN:24706302
Encontrar Ayuda:Author, key word and subject index: v. 37 (1991)-41 (1995). 1 v.; v. 1 (1949)-49 (2003). 1 v.