000 | 00380nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
080 | _a633:631.459:631.61 | ||
100 | _aDuley, F.L. | ||
245 | _aEstimating the amount of crop residue on a field | ||
260 |
_aWashington _c1958 |
||
300 | _a31 p. | ||
440 | _aNo. 136; United States Depart | ||
901 | _a58005 | ||
942 |
_cB _2udc |
||
999 |
_c9938 _d9938 |