| 000 | 00400nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a63(072):614.7 | ||
| 245 | _aManaging our environment : A report on ways agricultural research fights polluti | ||
| 260 | _aWashington | ||
| 260 | _c1972 | ||
| 300 | _a48 p. | ||
| 440 | _aNo. 351 R; United States Depar | ||
| 901 | _pS21146 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c127150 _d127150 |
||