| 000 | 00402nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1975 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _aGN 630.203 SP 3 | ||
| 100 | _aG R W SPEDDING | ||
| 245 | 4 | _aTHE BIOLOGY OF AGRICULTURAL SYSTEMS | |
| 260 |
_aNEW YORK _bACADEMIC PRESS LONDON _c1975 |
||
| 300 |
_a260 _ePrint |
||
| 653 | _aBIOLOGY OF AGRICULTURAL SYSTEMS | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c596292 _d596292 |
||