Description
Published:Began with vol. 1, no. 1 (junio/julio 1960).
Physical Description:volumes : illustrations ; 24 cm.
Issued on microfilm by Bay Microfilms for the Hoover Institute and Center for Research Libraries (Custom Microfilm).
Publication Frequency:Quarterly, enero/marzo 1991-
ISSN:0008-7157
Finding Aid:Vols. 1-7, 1960-67. 1 v.