000 00325nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
100 _aO'Brien, M.J., Rich, A.E.
245 _aPotato diseases
260 _aWashington
260 _c1976
440 _aNo. 474; United States Departm
901 _pS29264
942 _cB
_2udc
999 _c130160
_d130160