1. A quantitative study of cutaneous receptors and afferent fibres in the cat and rabbit
2. Thermal effects on response of cat touch corpuscle
3. H. Considine, and G. W. Trimberger, 1985 : Dairy Goat Judging Techniques . p. 26 and26 , Dairy Goat Journal Publishing Corporation, Arizona.
4. M. E. Ensminger, 1969 : Animal Science . 6th ed. , p. 779 , The Interstate Printing & Publishing, Inc., Illinois.
5. H. E. Evans, and G. C. Christensen, 1979 : Miller's Anatomy of the Dog . 2nd ed. , p. 92 -94 , W. B. Saunders Co., Philadelphia, London and Toronto.