000 00330nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a632.38A?Z(06)
_bBAR
245 0 _aVirology in agriculture
260 _aKent
_bAbacus
_c1977
490 _aBeltsville symposia in agricultural research;1
650 _aVirus disease
942 _cBK
999 _c31991
_d31991