DETERMINATION OF FLUORINE IONS PENETRATION DEGREE INTO ENAMEL BY EMPA D. Beloica, M. Vulovik, I. Gržetik, D. Golijanin et M.K. Pavikevik J. Phys. Colloques, 45 C2 (1984) C2-523-C2-527 DOI: 10.1051/jphyscol:19842119