Aerial photographic methods of potato disease detection
Manzer, Franklin E.
Aerial photographic methods of potato disease detection Franklin E. Manzer and George R. Cooper - Orono Maine Agricultural Experiment Station 1967 - 14p.; 24cm. - (Bulletin; no. 646) .
635.212 M319A
Aerial photographic methods of potato disease detection Franklin E. Manzer and George R. Cooper - Orono Maine Agricultural Experiment Station 1967 - 14p.; 24cm. - (Bulletin; no. 646) .
635.212 M319A