Dental roentgenology /
Ennis, Leroy M.
Dental roentgenology / - 4a. ed. - Philadelphia : Lea & Febiger, 1949. - 538 p. : il. ; 24 cm.
Dental roentgenology / - 4a. ed. - Philadelphia : Lea & Febiger, 1949. - 538 p. : il. ; 24 cm.