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