Pugh, Charles R., Wortman, Jeffrey A., Lloyd, Janice, Saunders, H. Mark, Biery, Darryl N., Rhodes, Harker, Evans, Sydney M., Walker, Lynn M., Green, Pamela, Mendez-Aguillar, Rosa, and Regan, Joan (1995) Comparative evaluation of an ultraviolet and an orthochromatic rare-earth imaging system for veterinary radiography. Veterinary Radiology and Ultrasound, 36 (6). pp. 485-492.