1. What kinds(s) of litters do cats prefer;Borchelt,1990
2. Elimination behavior problems in cats;Borchelt;Compend Contin Educ Pract Vet,1981
3. Analysis and treatment of elimination behavior problems in cats;Borchelt;Vet Clin North Am Small Anim Pract,1982
4. Elimination behavior problems in cats;Borchelt;Compend Contin Educ Pract Vet,1986
5. Cat Behavior;Leyhausen,1979