Description
Published:Vol. 2, no. 1 (Jan. 1969)-v. 21, no. 36 (Dec. 1988)
Physical Description:v. : ill. : 25 cm.
Publication Frequency:3 times a month, 1980-
ISSN:0022-3719
0305-4608
0953-8984
Finding Aid:21-year cumulative subject-author index 1950-1970. 1 vol.