© Tomas Roslin
Author's address:
Department of Ecology and Systematics
Division of Population Biology
P.O.Box 17 (Arkadiankatu 7)
FIN-00014 University of Helsinki
Finland
e-mail tomas.roslin@helsinki.fi
ISBN 951-45-8697-2 (HTML-version)
Helsingin yliopiston verkkojulkaisut
Helsinki 1999