Information services on research in progress : a worldwide inventory /
Information services on research in progress : a worldwide inventory /
ed. by the Smithsonian Science Information Exchange.
- París : UNESCO, 1982.
- 320 p.
9231020714
OC 058.7: 002.6: 061.6 (100) =20 INF.
9231020714
OC 058.7: 002.6: 061.6 (100) =20 INF.