000 00477 a2200169 4500
080 _a632.38:633.358
_bH 141 V
245 1 _aVirus diseases of pea, pisum sativum
_cby D.J. Hagedorn
260 _aMinnesota
_bAmerican Phytopathological Society
_c1974
650 _aVirus Diseases
650 _aPea
650 _aPisum
650 _aSativum
440 _aNo. 9
_vAmerican Phytopathological Society monograph
100 1 _aHagedorn, D.J.
_d
300 _a47 p.
901 _a144919
999 _c83091
_d83091