'Q POT.(n)' distribution in stoichiometric silicate glasses: thermodynamic calculations and 'ANTPOT.29 Si' high resolution NMR measurements - Schneider, José Fabian; Mastelaro, Valmor Roberto; Zanotto, E. D.; Shakhmatkin, Boris A.; Vedishcheva, Natalia M.; Wright, Adrian C.; Panepucci, Horácio Carlos (Journal of Non-Crystalline Solids, 2003)