000 | 00965nam a2200325 a 4500 | ||
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001 | 2300047 | ||
003 | BD-DhUL | ||
005 | 20150108181341.0 | ||
008 | 820419s1981 enka b 001 0 eng | ||
010 | _a 80042231 | ||
015 | _aGB*** | ||
020 | _a0126565600 | ||
040 |
_aDLC _cDLC _dDLC _dBD-DhUL |
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050 | 0 | 0 |
_aS494.5.P75 _bS63 |
082 | 0 | 0 |
_a631.5 _219 _bSPB |
100 | 1 | _aSpedding, C. R. W. | |
245 | 1 | 0 |
_aBiological efficiency in agriculture / _cC.R.W. Spedding, J.M. Walsingham, and A.M. Hoxey. |
260 |
_aNew York : _bAcademic Press, _cc1981. |
||
300 |
_ax, 383 p. : _bill. ; _c23 cm. |
||
365 |
_aTK _b2800.00 |
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504 | _aIncludes bibliographies and index. | ||
650 | 0 | _aAgricultural productivity. | |
650 | 0 | _aBiological productivity. | |
650 | 0 | _aAgriculture. | |
650 | 0 | _aBiology, Economic. | |
700 | 1 | _aWalsingham, J. M. | |
700 | 1 | _aHoxey, A. M. | |
906 |
_a7 _bcbc _corignew _d2 _eocip _f19 _gy-gencatlg |
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942 |
_2ddc _cBK |
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999 |
_c29154 _d29154 |