Haku
Viitteet 1-2 / 2
Growth and phenology of hybrid aspen clones (Populus tremula L. x Populus tremuloides Michx.)
(Finnish Society of Forest ScienceFinnish Forest Research Institute, 2001)
Effect of accumulated duration of the light period on bud burst in Norway spruce (Picea abies) of varying ages
(Finnish Society of Forest ScienceFinnish Forest Research Institute, 2001)