Vöth , S. и Vasilyeva , M. A. (2016) "Properties That Determine the Efficiency and Safety of Form Fitting Safety Couplings", Записки Горного института, 219, сс. 455-458. DOI: 10.18454/pmi.2016.3.455.
Vöth , S. and Vasilyeva , M. A. (2016) "Properties That Determine the Efficiency and Safety of Form Fitting Safety Couplings", Journal of Mining Institute, 219, pp. 455-458. DOI: 10.18454/pmi.2016.3.455.