Beskrivelse
Emne beskrivelse:Description based on: 1973.
Fysisk beskrivelse:v. : ill. ; 28 cm.
Beginning with issue for 1988 also available by subscription, in PDF format, via the World Wide Web.
Udgivelsesfrekvens:Annual.
Bibliografi:Includes bibliographic references and author index.
ISBN:0780364384
0780364392
0780364406
0780364414
ISSN:0163-1918