Seedling transportation : effect of mechanical shocks on seedling performance

by Stjernberg, Ernst I.
Pointe-Claire, Quebec : Forest Engineering Research Institute of Canada , 1996.

Series: Technical report (Forest Engineering Research Institute of Canada) ; TR-114

The use of hydraulic backhoes in forest road construction : Central and Eastern Canada / Ernst I. Stjernberg.

by Stjernberg, Ernst I.
Pointe Claire, Que. : Forest Engineering Reasearch Institute of Canada, 1982.

Series: Special Report ; no. SR-20

A study of manual tree planting operations in Central and Eastern Canada / Ernest I. Stjernberg.

by Stjernberg, Ernst I.
[s.l.] : FERIC, 1988.

Series: Technical report (Forest Engineering Institute of Canada ; no. TR-79