PRACE DOKTORSKIE - FINLANDIA 290,768 LAPATTO RISTO Biomedical applications of the PIXE / Proton Induced X-ray Emission / and the PIGE / Proton Induced Gamma - ray Emission / metnods : Academic dissertation / by Risto Lapatto ; University of Helsinki. - Helsin ki : University, 1990. - [3], 46 s. ; 26 cm (Commentâtiones Physico-Mathematicae ; 110.Disserta tiones ; nr 29)