| 000 | 00396nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 020 | _a9780121598501 | ||
| 044 | _aU.S.A. | ||
| 080 | _a631 C197B | ||
| 100 | _aCarlson, Peter S., ed. | ||
| 245 |
_aBiology of crop productivity _cPeter S. Carlson |
||
| 260 |
_bAcademic Press _aNew York _c1980 |
||
| 300 | _axvii, 471 p.; 24cm. | ||
| 942 |
_2udc _cGB |
||
| 999 |
_c17015 _d17015 |
||