Descripción
Publicado:[Vol. 27, no. 1] (Jan. 1954)-
descrición da copia:Title from cover.
Descrición Física:v. : ill. ; 23-25 cm.
Issued also on microfilm by University Microfilms and on microfiche by KTO Microform.
Scanned images of back issues also available to subscribers of JSTOR via the World Wide Web.
Frecuencia de Publicación:Quarterly
ISSN:0021-9398
1537-5374
0740-9168