| 000 | 00391nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 161118s2016 xx 000 0 und d | ||
| 082 | _a633 A6M2 | ||
| 100 | _aAmerican Society of Agronomy. | ||
| 245 | 0 | _aMaximum Crop Yields-the Challange:Two Symposia Held at Oklahoma State Univ. Stai | |
| 260 |
_aMadison(Wisc.) _bASA _c1967 |
||
| 300 | _a92p. | ||
| 490 | _aASA sp. Pubn,No.9 | ||
| 942 | _2ddc | ||
| 999 |
_c6952 _d6952 |
||