| 000 | 00339nam a2200121 4500 | ||
|---|---|---|---|
| 008 | 240729b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 100 | _aOprea, C V | ||
| 245 | _aEchilibre si dezechilibre in biosfra | ||
| 260 |
_bEditura Facla, _c1975 |
||
| 300 | _a219p. | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c65088 _d65088 |
||