Experiments on the control of the mexican bean beetle 1933-1934
Bobb, M.L.
Experiments on the control of the mexican bean beetle 1933-1934 - Virginia 1935 - 1-11 p. - Virginia Polytechnic Institut .
Experiments on the control of the mexican bean beetle 1933-1934 - Virginia 1935 - 1-11 p. - Virginia Polytechnic Institut .