G. L. Strathdee,International Symposium on Crystallization and Precipitation.International Symposium on Crystallization and Precipitation (1987 : Saskatchewan):Crystallization and precipitation : proceedings.Pergamon,1987.
V. M. Tuchkocich,Conference on Defects in insulating Crystals.Conference on Defects in insulating Crystals (1981 : Riga):Defects in insulating crystals : proceedings.Springer-Verlag,1981.