1. Certificate for the “Fiban” trade-mark No. 77959, 25.02,1985
2. New fibrous ion exchangers for purification of liquids and gases;Soldatov;Stud. Environ. Sci.,1984
3. Purification of air from acid gases (SO2) by nonwoven strong-base filtering materials;Soldatov,1985
4. Chemosorptive Fibres (in Russian);Zverev,1981
5. Fibres of Specific Properties (in Russian);Wolf,1980