European sources of scientific and technical information
European sources of scientific and technical information
- 6th ed.
- Britain: Longman Group Limited, 1984
- 368p.
0-582-90152-9
European sources
D 002.6:6(4)(026) / J7;M4
0-582-90152-9
European sources
D 002.6:6(4)(026) / J7;M4