Näsholm, T. (1991). Aspects of nitrogen metabolism in Scots pine, Norway spruce and birch as influenced by the availability of nitrogen in pedosphere and atmosphere. Swedish University of Agricultural Sciences, Dept. of Forest Genetics and Plant Physiology.
Chicago Style (17th ed.) CitationNäsholm, Torgny. Aspects of Nitrogen Metabolism in Scots Pine, Norway Spruce and Birch as Influenced by the Availability of Nitrogen in Pedosphere and Atmosphere. Umeå: Swedish University of Agricultural Sciences, Dept. of Forest Genetics and Plant Physiology, 1991.
ציטוט MLANäsholm, Torgny. Aspects of Nitrogen Metabolism in Scots Pine, Norway Spruce and Birch as Influenced by the Availability of Nitrogen in Pedosphere and Atmosphere. Swedish University of Agricultural Sciences, Dept. of Forest Genetics and Plant Physiology, 1991.