De Lyre, Wolf R. Essentials of dental radiography for dental assistants and hygienists / Wolf R. de Lyre and Orlen N. Johnson - 5th ed. - Norwalk, Conn. : Appleton & Lange, 1995 - 419 p. : ill. ; 25 cm. ISBN: 0838520251 RM114.84 Subjects--Topical Terms: Radiography, Dental National Library of Medicine Call No.: WN230 / .D367e 1995 9