Pruning effect on Norway spruce (Picea abies (L.) Karst.) growth and quality
Baders, Endijs, Donis, Janis, Snepsts, Guntars, Adamovics, Andis, Jansons, Aris
Deciduous Broad-Leaved Species (Quercus Robur, Tilia Cordata, Acer Platanoides and Ulmus Laevis) Forest Stand Productivity in Latvia
Šņepsts, Guntars, Donis, Jānis, Kaupe, Dārta, Laiviņš, Māris