Estimating time consumption and productivity of roundwood skidding in group shelterwood system : a case study in a broadleaved mixed stand located in reduced accessibility conditio...

Autor: Borz, Stelian Alexandru, Ignea, Gheorghe, Popa, Bogdan, Spârchez, Gheorghe, Iordache, Eugen
Matična publikacija: Croatian journal of forest engineering (2015)