1. Nursing notes: clipping horses;Gough;Equine Vet. Educ.,1997
2. Use of a conditioned stimulus to improve equine behaviour in response to clipping;Mackenzie;Equine Practice,1987
3. Treatment of fears and phobias in dogs;Tuber;Vet. Clin. North Am. Small Anim. Pract.,1982
4. Principles of learning;Voith;Vet. Clin. North Am. Equine Pract.,1986
5. Wolpe, J. 1958. Psychotherapy by Reciprocal Inhibition. Stanford Univ. Press, Palo Alto, CA.