1. 1 M. Bendz-HEllgren, K. Lipponen, H. Solheim, and I. M. Thomsen , 1998 : The Nordic countries . In:Heterobasidion annosum. Biology, Ecology, Impact and Control. Ed. by WOODWARD, S.; STENLID, J.; KARJALAINEN, R.; HUTTERMANN, A. Wallingford: C. A. B. International. pp. 333-345.
2. Effects of season and urea treatment on infection of stumps of Picea abies by Heterobasidion annosum in stands on former arable land
3. Physiological specialization of Heterobasidion annosum on conifer hosts
4. Spore Deposition byHeterobasidion annosumin Forests of California