000 00346nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
080 _a63(072)(73)
245 _aAgricultural Research Center
260 _aWashington
260 _c1967
300 _a36 p.
440 _aNo. 189; United States Departm
901 _pS15411
942 _cB
_2udc
999 _c152127
_d152127