1. V. G. Il'in, N. V. Turutina, K. P. Kazakov, and V. M. Bzhezovskii, ?Investigation of crystallization in the Na2O-SiO2-H2O system at 90 ?C,? Dokl. Akad. Nauk SSSR, 209, No. 5, 1102?1104 (1973).
2. N. V. Turutina and V. G. Il'in, ?Low-temperature hydrothermal synthesis of crystalline polysilicates,? Poverkhnostnye Yavleniya v Dispersnykh Sistemakh, No. 3, 149?150 (1974).
3. N. V. Turutina and V. G. Il'in, ?Synthesis and properties of new types of porous silica crystals,? in: Abstracts of the Eleventh Republic Conference on Physical Chemistry [in Russian], UKRNIINTI, Kiev (1974), p. 80?81.
4. L. A. Belyakova and V. G. Il'in, ?Features of the dehydration and structural transformations of cation-exchanged forms of crystalline polysilicates,? Zh. Fiz. Khim., 50, No. 7, 1876?1878 (1976).
5. N. V. Turutina and V. G. Il'in, ?Crystalline phases preceding the formation of quartz in the Na2O-SiO2-H2O system,? Geokhimiya, No. 4, 644?647 (1974).