1. U.S. pet ownership & demographics sourcebook,2007
2. A game of cat and house: spatial patterns and behavior of 14 domestic cats (Felis catus) in the home;Bernstein;Anthrozoos,1996
3. Stress and adaptation of cats (Felis silvestris catus) housed singly, in pairs and in groups in boarding catteries;Kessler;Anim Welf,1997
4. Socialization and stress in cats (Felis silvestris catus) housed singly and in groups in animal shelters;Kessler;Anim Welf,1999
5. Social behavior of domestic cats (Felis lybica f. catus L): a study of dominance in a group of female laboratory cats;van den Bos;Ethology,1994