Descripción
Publicado:Vol. 1, no. 1 (July 1963)-v. 10, no. 3 (May/June 1972)
Notas:At head of title, -May/June 1972: W/R.
Frecuencia de Publicación:Bimonthly, Nov.-Dec. 1967-1972
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.