000 00497nam a2200157Ia 4500
008 140208s9999 xx 000 0 und d
044 _aU.S.A.
080 _a635.212 M319A
100 _aManzer, Franklin E.
245 _aAerial photographic methods of potato disease detection
_cFranklin E. Manzer and George R. Cooper
260 _bMaine Agricultural Experiment Station
_aOrono
_c1967
300 _a14p.; 24cm.
490 _a(Bulletin; no. 646)
700 _aCooper, Georger
942 _2udc
_cPB
999 _c19526
_d19526