Jörn Erler

RESULTS OF LARGE-SIZE TIMBER EXTRACTING WITH A GRAPPLE SKIDDER

Mariusz Bembenek, Piotr S. Mederski, Jörn Erler, 2011 .

Transfer system to adapt timber harvesting operations to local conditions.

Jörn Erler, J. Erler, 2017 .

Site impact after motor-manual and mechanised thinning in Mediterranean pine plantations

Natascia Magagnotti, Raffaele Spinelli, Jörn Erler, 2012 .

The Human Influence on Productivity in Harvester Operations

Jörn Erler, F. Thomas Purfürst, J. Erler, 2011 .

EFFECTS OF INNOVATIVE THINNING OPERATION IN A BIRCH STAND

Mariusz Bembenek, Piotr S. Mederski, Jörn Erler, 2011 .