Clas Fries

Development of Pinus sylvestris Main Stems Following Three Different Precommercial Thinning Methods in a Mixed Stand

Björn Elfving, B. Elfving, A. Albrektson, 2002 .

The stream model for ecological landscape planning in non‐industrial private forestry

Clas Fries, Gunnar Lindén, Erik Nillius, 1998 .

A review of conceptual landscape planning models for multiobjective forestry in Sweden

Mattias Carlsson, Ola Sallnäs, Tomas Lämås, 1998 .