Description
Published:Vol. 1, n. 1 (en.-jun. 1971)-vol. 42, n. 137 (oct.-dic. 2012)
Physical Description:v. ; 23 cm
Publication Frequency:Trimestral.
ISSN:02103516
Finding Aid:Vol. 1-25 (1971-1995) en vol. 25, n. 69, 2 (oct.-dic. 1995)
Easo.R. Vol. 1-25 (1971-1995) en vol. 25, n. 69, 2 (oct.-dic. 1995)