Bats in relation to the production of guano and the destruction of insects
Nelson, E.W.
Bats in relation to the production of guano and the destruction of insects - Washington 1926 - 1-12 p. - Production, Insects United States Department of Agriculture. Department Bulletin No. 1395 .
Bats in relation to the production of guano and the destruction of insects - Washington 1926 - 1-12 p. - Production, Insects United States Department of Agriculture. Department Bulletin No. 1395 .