Descripción
Publicado:Vol. 1, no. 1 (Oct. 1973)-
Descrición Física:v. : ill. ; 26 cm.
Available also by subscription via the World Wide Web.
Frecuencia de Publicación:8 issues yearly, <, 1982->
Formato:System requirements: Internet connectivity, World Wide Web browser, and Adobe Acrobat reader
ISSN:0301-4622
Acceso:Restricted to licenced organisations with IP address and password.