Reference

Marja Liisa Sutinen, S. Salmela, R. Sutinen, E. Vapaavuori (2000): The Growth of Scots Pine (Pinus sylvestris) and Norway Spruce (Picea abies) Seedlings on Hydrologically and Nutritionally Contrasting Till Soils in Finnish Lapland. – Phyton, Annales Rei Botanicae, Horn – 40_4: 175 - 178.