Lindberg, M. (1991). The resistance of Picea abies bark to Heterobasidion annosum: Role of stress, structural defence and biochemical resistance. Swedish University of Agricultural Sciences, Department of Forest Mycology and Pathology.
Chicago-referens (17:e uppl.)Lindberg, Mikael. The Resistance of Picea Abies Bark to Heterobasidion Annosum: Role of Stress, Structural Defence and Biochemical Resistance. Uppsala: Swedish University of Agricultural Sciences, Department of Forest Mycology and Pathology, 1991.
MLA-referens (8:e uppl.)Lindberg, Mikael. The Resistance of Picea Abies Bark to Heterobasidion Annosum: Role of Stress, Structural Defence and Biochemical Resistance. Swedish University of Agricultural Sciences, Department of Forest Mycology and Pathology, 1991.