PAATERO, Y V [Line focus in pantomography]. [electronic resource] - Suomen Hammaslaakariseuran toimituksia = Finska tandlakarsallskapets forhandlingar Mar 1952 - 11-3 p. digital Publication Type: Journal Article ISSN: 0039-551X Subjects--Topical Terms: RadiographyRadiography, Panoramic