000 00347nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a578.89:581
_bMAT
100 _aMatthews, R E F
245 0 _aPlant virus serology
260 _aCambridge
_bCambridge University Press
_c1957
650 _aPlant virus serology
650 _aVirus
942 _cBK
999 _c20247
_d20247