Description
Published:v. 1- Jan./Feb. 1961-
Item Description:Includes supplements
Physical Description:v. : ill. ; 26-28 cm.
Also available via the World Wide Web. (Restricted to subscribing institution).
Publication Frequency:9 no. a year, <Jan. 1990->
ISSN:0041-1132
1537-2995
0360-9197