Philip N. Lehner

Handbook of ethological methods

Philip N. Lehner, P. Lehner, 1979 .

Risk-prone foraging behaviour in captive grey jays, Perisoreus canadensis

Philip N. Lehner, James C. Ha, S. Farley, 1990, Animal Behaviour.

Observing interaction: An introduction to sequential analysis by Roger Bakeman and John M. Gottman, 1986. Cambridge University Press, Cambridge. 221 pp. ISBN: 0-521-25632-1 H/c (Price: £ 25.00, $ 32.50); 0-521-27593-8 P/b (£ 7.95, $ 10.95).

Philip N. Lehner, 1988, Behavioural Processes.