Applied Animal Behaviour Science
Applied Animal Behaviour Science > 2002 > 75 > 2 > 161-176
Applied Animal Behaviour Science > 2002 > 77 > 4 > 311-328
Applied Animal Behaviour Science > 2002 > 75 > 2 > 161-176
Applied Animal Behaviour Science > 2002 > 77 > 4 > 311-328