Literature cited
G.Klare, E.Fritsche, and F.Groebe, Synthetic Polyamide Fibres (Russian translation), Mir (1966).
K.M.Saldadze, A.B.Pashkov, and V.S.Titov, High-Molecular Ion-Exchange Compounds (in Russian), Goskhimizdat (1960).
The Chemist's Reference Manual, vol.4 (in Russian), Khimiya (1965).
Yu.M.Tikhomirova, V.I.Bezvershenko, and D.N.Arkhangelsii, Khim.volokna, No.6 (1966).
Additional information
Translated from Khimicheskie Volokna, No. 1, pp. 8–9, January–February, 1971