A survey of the bird-ringing in Finland during the years 1913-1952 /
Nordström, Göran
A survey of the bird-ringing in Finland during the years 1913-1952 / Göran Nordström - Helsinki : [s.n.], 1954 - 120-130 p. : ill. ; 24 cm - Ornis fennica ; 31 .
A survey of the bird-ringing in Finland during the years 1913-1952 / Göran Nordström - Helsinki : [s.n.], 1954 - 120-130 p. : ill. ; 24 cm - Ornis fennica ; 31 .