000 | 00344nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 170101s1988 xx 000 0 und d | ||
020 | _a8170961297 | ||
082 | _a338 HEA | ||
100 | _aHeady, Earl O | ||
245 | 0 | _aAgricultural production fuctions and resource use | |
260 |
_aNew Delhi _bKalyani _c1988 |
||
300 | _aP.667 | ||
942 |
_2ddc _cBK |
||
999 |
_c244931 _d244931 |