| 000 | 00312 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 |
_a _d |
|
| 245 | 1 | _aNational plant germplasm system | |
| 260 |
_aWashington _c1977 |
||
| 300 | _a1-11 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aPlant United States Department of Agriculture. Program Aid No. 30431 | ||
| 901 | _aS30431 | ||
| 999 |
_c107366 _d107366 |
||