Dental materials
Subtitle: a programmed review of selected topics
By: [by] William J. O'Brien [and] Gunnar Ryge.
Contributors: Ryge, Gunnar, joint author.
Publisher: W. B. Saunders Co.
Published: 1965
Place of publication: Philadelphia
Language: eng
Number of pages: 199
Subjects: Dental materials -- Programmed instruction.