N. Pettersson

Wind and snow damage in a thinning and fertilization experiment in Picea abies in southern Sweden

E. Valinger, Erik Valinger, N. Pettersson, 1996 .

Influence of precommercial thinning grade on branch diameter and crown ratio in Pinus sylvestris in southern Sweden

N. Fahlvik, Per-Magnus Ekö, N. Pettersson, 2005 .

The effect of density after precommercial thinning on volume and structure in Pinus Sylvestris and Picea Abies stands

Nils Pettersson, N. Pettersson, 1993 .

The effect of precommercial thinning on the incidence of heterobasidion annosum in planted picea abies

P. Gemmel, G. Vollbrecht, N. Pettersson, 1995 .