| 000 | 00461 a2200157 4500 | ||
|---|---|---|---|
| 020 | _a0126565600 | ||
| 080 |
_a631.5:577.3 _bS741B |
||
| 245 | 1 |
_aBiological efficiency in agriculture _cby C.R.W. Spedding ...[et.,al.] |
|
| 260 |
_aLondon _bAcademic Press _c1981 |
||
| 650 | _aBiological Efficiency | ||
| 650 | _aAgriculture | ||
| 100 | 1 | _aSpedding, C.R.W. ...[et.al.] | |
| 300 | _a383 p. | ||
| 040 | _aIARI, New Delhi | ||
| 901 | _a154842 | ||
| 999 |
_c81104 _d81104 |
||