XV (15)th International Congress on Glass, Leningrad, 1989 :   Vol. 2b : Properties of glass, new methods of glass formation, Poster session /  
ed. O. V. Mazarin . 
 - Leningrad :   "Nauka" Leningrad Branch,   1989. 
<br/><br/><label>Subjects--Index Terms: </label>მინა შუშა