Ptahin A.V. 
Kaluga Branch of Bauman Moscow State Technical University
Kaluga, Russian Federation
Ptahin A.V. - Assistant Lecturer, Department of Heat Engines and Thermal Physics, Kaluga Branch of the Bauman Moscow State Technical University.
Kaluga Branch of the Bauman Moscow State Technical University, ul. Bazhenova 2, build. 5, Kaluga, 248000 Russian Federation.
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