Orban, Balint J. 1899-1960. Orban's Periodontics; : a concept--theory and practice. [electronic resource] . — 2d ed. [by] Daniel Grant, Irving B. Stern [and] Frank G. Everett.. — St. Louis, : Mosby,, 1963.. — 595 p. : illus., diagrs. 27 cm. Bibliography: p. 558-583. LCCN: 63019799 Subjects--Topical Terms: Periodontics. LC Class. No.: RK361 / .O7 1963 Dewey Class. No.: 617.6/32