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.
Cita Chicago Style (17a ed.)Näsholm, 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.
Cita MLA (8a ed.)Näsholm, 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.