An Introduction to quantitative ecology /

by Poole, Robert W., Poole, Robert W.
Published 1974

An Introduction to quantitative ecology U. S. A.

by Poole, Robert W.
Published 1974

A revision and cladistic analysis of the Heliothis Virescens Species-group(Lepidoptera : Noctuidae) with a preliminary morphometric analysi s ofHeliothis Virescens /

by Poole, Robert W., Poole, Robert W., Huettel, Milton, Mitter, Charles
Published 1993