(en) M. I. Ojovan, « Glass formation in amorphous SiO2 as a percolation phase transition in a system of network defects », Journal of Experimental and Theoretical Physics Letters, vol. 79, no 12, , p. 632 (DOI10.1134/1.1790021, Bibcode2004JETPL..79..632O)
(en) M. I. Ojovan, « Glass formation in amorphous SiO2 as a percolation phase transition in a system of network defects », Journal of Experimental and Theoretical Physics Letters, vol. 79, no 12, , p. 632 (DOI10.1134/1.1790021, Bibcode2004JETPL..79..632O)