000			00323nam a2200121Ia 4500
008			140208s9999 xx 000 0 und d
020			_a00320811
044			_aU.S.A.
245			_aPlant Disease Reporter. v.50, 1966 _c
260			_bPlant Industry Station _aBeltsville _c1966
300			_av.50, 994 p.; 24cm.
942			_2udc _cP
999			_c9963 _d9963