KhaitovA.A., Method of production of collagen films from hide waste materials. Uzb. Resp. Khalk khuzhaligi tarmoklari resurslarni va energiya tezhash muammolari buiicha ilmii-amalii konferentsiyasi, Bukhoro, 1993, p. 196
2.
GulyamovT., Collagen solutions and their rheological properties. Uzb. khim. Zhurnal, No. 4, 1993, p. 52
3.
GolovteevaA.A., A practical laboratory manual for a course in chemistry and technology of leather and fur. Moscow, Legprombytizdat, 1987, p. 170.
4.
VaisbergerA., Determination of the structure of organic compounds by physical and chemical methods, Vol. 1, Khimiya, Moscow, 1967, p. 170
5.
RaikhG., Collagen, Gizlegprom, Moscow, 1969, p. 120
6.
IzmailovaV.N. and RebinderP.A., Structurisation in protein systems, Pishchevaya promyshlennost”, Moscow, 1974
7.
Veis, Macromolecular chemistry of gelatin, Pishchevaya prom., Moscow, 1971