000 | 00325nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 170101s1982 xx 000 0 und d | ||
082 | _a631 SHA | ||
100 | _aShaner W. W. | ||
245 | 0 | _aReadings in Farming Systems Research and Development | |
260 |
_aColorado _bWestview Press _c1982 |
||
300 | _a175 p. | ||
942 |
_2ddc _cB |
||
999 |
_c815516 _d815516 |