Description
Physical Description:v.
Publication Frequency:Bimestral
ISSN:0002-1962
Finding Aid:Indices acumulativos: v. 41-50(1949-58) en 1958
v. 51-55(1959-63) en 1963
v. 56-60(1964-68) en 1968
v. 61-65(1969-73) en 1973