| 000 | 00380nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 161001s1989 xx 000 0 und d | ||
| 020 | _a309039878 | ||
| 082 | _a630 C53A | ||
| 100 | _aNational research council | ||
| 245 | _aAlternative agriculture | ||
| 260 |
_aUSA _bNational Academy of Sciences _c1989 |
||
| 300 | _a448p. | ||
| 650 | _aAlternative agriculture | ||
| 942 |
_2ddc _cC |
||
| 999 |
_c8983 _d8983 |
||