Revisional study of the genus scolytus geoffroy in North America
Blackman, M.W.
Revisional study of the genus scolytus geoffroy in North America - Washington 1934 - 1-29 p. - United States Department of A .
Revisional study of the genus scolytus geoffroy in North America - Washington 1934 - 1-29 p. - United States Department of A .