000 00363nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aDavis (Robert francis)
245 0 _a"Occurrence, Transmission and properties of strains of cucumber nosaic virus that are seed transmitted in phasoolus "
260 _buniversity microfilms
365 _b353.5
942 _cBK
999 _c211606
_d211606