Tappe, A [Progress in the field of plastic restorative materials from the viewpoint of materials science]. [electronic resource] - Stomatologie der DDR Aug 1982 - 553-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0302-4725 Subjects--Topical Terms: Chemical PhenomenaChemistry, PhysicalComposite ResinsDental Restoration, PermanentUltraviolet Rays