000 00310nam a2200121Ia 4500
008 170101s1979 xx 000 0 und d
082 _a581.234 BOS
100 _aBos L.
245 0 _aSymptoms of Virus Diseases in plants
260 _aNew York
_bOxford & IBH Pub.
_c1979
300 _a475 p.
942 _2ddc
_cB
999 _c645816
_d645816