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

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

194021. Institutsky per. 5. St. Petersburg 

I. A. Zverev
St.Petersburg State Forest Technical University
Russian Federation

ZVEREV Igor A. – Assistant of Forestry Engineering, Service and Repair Department 

194021. Institutsky per. 5. St. Petersburg 

G. S. Taradin
St.Petersburg State Forest Technical University
Russian Federation

TARADIN Grigory S. – PhD (Technical), Associate Professor of Forestry Engineering, Service and Repair Department 

194021. Institutsky per. 5. St. Petersburg 

M. S. Avvakumov
St.Petersburg State Forest Technical University
Russian Federation

AVVAKUMOV Maksim S. – Master’s degree student, Educational Master of Forestry Engineering, Service and Repair Department 

194021. Institutsky per. 5. St. Petersburg