Risks associated with the introduction of Pinus contorta in northern Sweden with special attention to Gremmeniella abietina and North American rusts
By: Jesper Witzell
Contributors: Sveriges lantbruksuniversitet
Series: Acta Universitatis Agriculturae Sueciae -- 89
Publisher: Swedish University of Agricultural Sciences
Published: 1999
Place of publication: Umeå
Language: eng
Notes: Errat slip inserted.

Thesis (doctoral)--Swedish University of Agricultural Sciences, 1999.

Includes bibliographical references.