Beskrivelse
Udgivet:1 (1972)-61 (1988
Emne beskrivelse:Description based on: Issue 3.
Issues vary in size.
Each issue has a distinctive title.
Numbering begins with issue 3.
Fysisk beskrivelse:61 v. : ill ; 25 cm.
Bibliografi:Includes bibliographies & indexes.
ISSN:0314-6154
0728-7178