| 000 | 00521nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230721b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 |
_aMethods of study in soil ecology: _c/ Unesco, proceedings of the Paris symposium organized by Unesco and the international biological programme |
||
| 260 |
_aParis: _bUnesco, _c1970 |
||
| 300 | _a303p. | ||
| 490 | _aEcology and conservation | ||
| 650 | _aScience | ||
| 653 | _aSoil ecology | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c54098 _d54098 |
||