By Harper D.G.C.   in Animal Behaviour

ISSN:0003-3472|58|3|553-562

Elsevier‎(1999)‎

Access to resources Favorite 21.01708

By Smith M.J.   Harper D.G.C.   in Journal of Theoretical Biology

ISSN:0022-5193|177|3|305-311

Academic Press‎(1995)‎

Access to resources Favorite 15.570246

By Harper D.G.C.   Randall D.P.   in Trends in Ecology and Evolution

ISSN:0169-5347|16|1|19-19

Elsevier‎(2001)‎

Access to resources Favorite 15.570246