| 000 | 00345 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aLeonard, L.T. | |
| 245 | 1 | _aNitrogen-fixing bacteria and legumes | |
| 260 |
_aWashington _c1937 |
||
| 300 | _a1-14 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aNitrogen, Becteria United States Department of Agriculture. Farmers Bulletin No. 1784 | ||
| 901 | _aS48594 | ||
| 999 |
_c104681 _d104681 |
||