D. Stockrahm

Effect of habitat on the population ecology of voles (Microtus pinetorum and Microtus pennsylvanicus) coexisting in apple orchards
Stockrahm, D. B. 1985. “Effect of Habitat on the Population Ecology of Voles (Microtus Pinetorum and Microtus Pennsylvanicus) Coexisting in Apple Orchards”. Ohio State University.