1. Factors affecting duckling survival of eiders Somateria mollissima in northeast Scotland;Mendenhall;Ibis,1985
2. Where have all the eider ducklings gone? (in Finnish with English summary);Hario;Suom Riista,1991
3. Role, if any, of the acanthocephalan worm Polymorphus minutus in common eider mortality (in Finnish with English summary);Hario;Suom Riista,1995
4. Description of an epizootic in eider ducklings from the Gulf of Finland (in Finnish with English summary);Hollmén;Suom Riista,1996