000 | 00308nam a2200109Ia 4500 | ||
---|---|---|---|
008 | 160214s9999 xx 000 0 und d | ||
100 | _aPal, Mahendra [et al.] | ||
245 | _aEnergetics of cropping systems | ||
260 |
_c1985 _aNew Delhi _bIndian Society of Agronomy (ICAR) |
||
300 | _a61p. | ||
942 |
_2udc _cICAR |
||
999 |
_c30461 _d30461 |