G. Koehler

Local movement of the grasshopper Chorthippus parallelus (Zett.)

S. Opitz, G. Koehler, A. Mabelis, 1998 .

Fire effects on marten habitat in the Selway

G. Koehler, 1977 .

Managing spruce-fir habitat for lynx and snowshoe hare.

G. Koehler, J. D. Brittell, 1990 .