Ecological studies of the mexican bean beetle
Sweetman, H.L., Fernald, H.T.
Ecological studies of the mexican bean beetle - Mass 1930 - 1-32 p. - Ecological, Beetle Massachusetts Agricultural Experiment Station. Bulletin No. 261 .
Ecological studies of the mexican bean beetle - Mass 1930 - 1-32 p. - Ecological, Beetle Massachusetts Agricultural Experiment Station. Bulletin No. 261 .