000 00326nam a2200121Ia 4500
008 140208s9999 xx 000 0 und d
020 _a00320811
044 _aU.S.A.
245 _aPlant Disease Reporter. v.55, 1971
_c
260 _bPlant Industry Station
_aBeltsville
_c1971
300 _av.55, 1177 p.; 24cm.
942 _2udc
_cP
999 _c13621
_d13621