1. ABRAHAMSEN, J., N. K. JAKOBSEN, E. DAHL, R. KALLIO-LA, L. WILBORG, & L. PAHLSON. 1977. Naturgeo-grafisk regioninndelning av Norden. Stockholm,Nordiska utredninger 34.Abrahamsen34Naturgeografisk regioninndelning av Norden1977
2. Reproductive Importance of Dominant Male Greater Prairie Chickens
3. Habitat Selection in Blue Grouse
4. Influence of changing grouse density and forest attributes on the occupancy of a series of potential territories by male ruffed grouse
5. BRADBURY, J. W.1981. The evolution of leks. Pp. 139-169 in Natural selection and social behaviour (R.D. Alexander and D. W. Tinkle, Eds.). Oxford,Chiron Press.BradburyThe evolution of leks139Natural selection and social behaviour1981