1. The probability of linearity in hierarchies;Appleby;Anim. Behav.,1983
2. On the measurement of natural and sexual selection;Arnold;Evolution,1984
3. Social status signalling in winter flocking birds: an examination of a current hypothesis;Balph;Auk,1979
4. Winter Behavior of the House Sparrow;Cink,1977
5. Individual differences in the head and neck plumages of ruddy turnstones (Arenaria interpres) during the breeding season;Ferns;Auk,1978