Insects and human welfare : an account of the more important relations of insects to the health of man, to agriculture, and to forestry
- publisher: Cambridge, Mass. Harvard University Press
- creator: Brues, Charles T. (Charles Thomas), 1879-1955
- Keyword: Beneficial insects.
- years: 1920
- pages: xii, 104 p. :
- class: SB931
- download: pdf file
