1. Antipov, S., Zhuravlev, A., Vinichenko, S., & Kazartsev, D. (2015). Patent #2548209 “Vacuum Dryer of Continuous Operation with Ultra-High Frequency Power Supply.” Retrieved from https://findpatent.ru/patent/254/2548209.html
2. Aseptic Preservation of Fruit and Vegetable Puree of Semi-Finished Products from Low-Acid Raw Materials. News of Institutes of Higher Education.;V.Barkhatov;Food Technology,1993
3. Market for Frozen Convenience Foods from Vegetables.;A.Boltavin;Ice Cream and Frozen Products,2006