1. P. M. Alabuzhev and L. M. Minkevich, Principles of Similarity and Simulation Theory, Novosibirsk, Izd. Nauka, Sibirskoe otdelenie (1966).
2. I. P. Krutikov, Excavators, Moscow, Mashgiz (1964).
3. N. G. Dombrovskii and S. A. Pankratov, Earth Moving Machinery, part 1, Moscow, Gosstroiizdat (1961).
4. Open-Cut Mining Methods Abroad. Edited by N. V. Mel'nikov, Moscow, Gosgortekhizdat (1962).
5. Mechanization, 1958, No. 7, 8; 1960, No. 9, 12; 1962, No. 7.