V. V. Trubnikov
Saint Petersburg State University of Industrial Technologies and Design
Russian Federation

Trubnikov Viktor V. – PhD candidate

191186. Bolshaya Morskaya str. 18. Saint Petersburg 

V. A. Markov
Saint Petersburg State University of Industrial Technologies and Design
Russian Federation

Markov Viktor A. – PhD (Technical), Associate Professor, Department of Machines and Automated Systems

191186. Bolshaya Morskaya str. 18. Saint Petersburg 

A. V. Trofimov
St.Petersburg State Forest Technical University
Russian Federation

Trofimov Aleksandr V. – PhD (Technical), Associate Professor, Department of Forestry Engineering, Service and Repair

194021. Institute per. 5. St. Petersburg 

A. V. Trofimov
St.Petersburg State Forest Technical University
Russian Federation

Zverev Igor A. – PhD (Technical), Associate Professor, Department of Forestry Engineering, Service and Repair

194021. Institute per. 5. St. Petersburg