000 | 00309 a2200121 4500 | ||
---|---|---|---|
080 |
_a63(73)(063) _bA 278 P |
||
245 | 1 | _aProceedings and minutes of business sesssion | |
260 |
_aWashington _bNational Academy of Sciences _c1965 |
||
650 | _aAgriculture | ||
100 |
_a _d |
||
300 | _a231 p. | ||
901 | _a103213 | ||
999 |
_c41936 _d41936 |