S.W. Douglas 
Principles of veterinary radiography 
 - 2nd Ed 
 - London  Bailliere Tindall  1975 
 - 266p 
S.W. Douglas & H.D. Williamson: Principles of veterinary radiography.  (2nd Ed)  London.  Bailliere Tindall, 1975. 0-7020-0381-6--(636.089707DOU)   
ENGLISH 
0-7020-0381-6 
636.089707  / DOU