Conservation and yield aspects of Old European aspen Populus tremula L. in Swedish forestry
By: Per Hazell
Contributors: Sveriges lantbruksuniversitet
Series: Acta Universitatis Agriculturae Sueciae -- 102
Publisher: Swedish University of Agricultural Sciences
Published: 1999
Place of publication: Uppsala
Language: eng
Notes: Thesis (doctoral)--Swedish University of Agricultural Sciences, 1999.

Includes bibliographical references.