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