%0 Book Section %A Dennis, Ruth %T Physics and equipment %B BSAVA Manual of Canine and Feline Radiography and Radiology %D 2013 %I British Small Animal Veterinary Association %R doi:https://doi.org/10.22233/9781910443187.1 %U https://www.bsavalibrary.com/content/chapter/10.22233/9781910443187.chap1