Information services on research in progress : a worldwide inventory / edited by the Smithsonian Science Information Exchange, Inc. and compiled with the support of Unesco within its general information programme and UNISIST - 2nd ed. - Paris : UNESCO, 1982 - ix, 320, [10] p. : charts ; 27 cm.

First edition, Budapest: Hungarian Control Technical Library and Documentation Centre, 1978

9231020714


Information storage and retreival systems
Information services

025.52