The futurist - Maryland : The World future society - v. : ill. ; 28cm. - Bimonthly - Vol.23, no.6( Nov-Dec 1989)- Latest issue consulted: Vol.24 ,no.2 (Mar-April 1990) ISSN: 0016-3317 Subjects--Topical Terms: World future societyForecasting Dewey Class. No.: 904