3 treff

Muuttuva pesimälinnusto
Risto A. Väisänen, Esa Lammi, Pertti Kosk...
Bok Finsk 1998
Monitoring bird populations : a manual of methods applied in Finland
Pertti Koskimies and Risto A. Väisänen
Bok Engelsk 1991
Evolution of the ringed plover (Charadrius hiaticula L.) during the last hundred years in Europe : a new computer method based on egg dimensions
Väisänen, Risto A.
Bok Engelsk 1969