TY  - BOOK
AU  -  Douglas,S.W.
AU  -  Williamson,H.D.
TI  -  Principles of veterinary radiography / 
SN  -  0702003816
U1  -  REF 636.0896 DOU 
PY  - 1972///]
CY  -  Baltimore : 
PB  -  Williams & Wilkins, 
KW  -  Veterinary radiology
KW  -  Veterinary radiography
N1  -  Includes bibliographical references (p. 249)
ER  -