Description
Published:v. 36, no. 13 (June 29, 1982)
Began with v. 18, no. 8, Apr. 16, 1964.
Item Description:Description based on: volume 33, number 19 (Oct. 1979).
Previously classed: C 30.46:
Physical Description:volumes : illustrations ; 31 cm.
Publication Frequency:Semimonthly
ISSN:0090-0613