000 00303 a2200121 4500
080 _a632
_bO 97 P
245 1 _aPrinciples of plant pathology
_cby C.E. Owens
260 _aNew York
_bJohn Wiley and Sons
_c1928
650 _aPlant Pathology
100 1 _aOwens, C.E.
_d
300 _a629 p.
901 _a73493
999 _c45795
_d45795