Haku
Viitteet 1-2 / 2
Growth, crown structure and seed production of birch seedlings, grafts and micropropagated plants
(Finnish Society of Forest ScienceFinnish Forest Research Institute, 1995)
Performance of micropropagated plants of Silver birch (Betula pendula) in a field trial
(Finnish Society of Forest ScienceFinnish Forest Research Institute, 1994)