| 000 | 00475nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 020 | _a9780126565607 | ||
| 044 | _aUnited Kingdom | ||
| 080 | _a631.5 SP31B | ||
| 100 | _aSpedding, C.R.W. | ||
| 245 |
_aBiological efficiency in agriculture _cC.R.W. Spedding...[et al.]. |
||
| 260 |
_bAcademic Press _aLondon _c1981 |
||
| 300 | _ax, 383 p.; 24cm. | ||
| 700 | _aHoxey, A.M. | ||
| 700 | _aWalsingham, J.M. | ||
| 942 |
_2udc _cGB |
||
| 999 |
_c17002 _d17002 |
||