| 000 | 00400nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 200208s9999 xx 000 0 und d | ||
| 082 | _aGL 333.72 RAT | ||
| 245 | 0 | _aRational utilization of natural resources and the protection of the environment | |
| 260 | _aMoscow | ||
| 260 | _bProgress Publishers | ||
| 260 | _c1983 | ||
| 300 | _a327 p. | ||
| 650 | _aNatural resources U.S.S.R. | ||
| 942 | _cB | ||
| 999 |
_c189389 _d189389 |
||