1. The recording of localities of biological finds in Finland;HEIKINHEIMO;Ann. Entomol. Fenn.,1971
2. On the damage caused by the species of Gaierucella (Col., Chrysomelidae) on cloudberry (Rubus chamaemorus L.) in Finland and northern Norway;HIPPA;Rep. Kevo Subarctic Res. Stn.,1975
3. Distribution of the species of Gaierucella (Col., Chrysomelidae) on cloudberry in Finland;HIPPA;Rep. Kevo Subarctic Res. Stn.,1976
4. Morphological, cytological and ethological evidence of reproductive isolation between Gaierucella nymphaeae (L.) and G. sagittariae (Gyll.) (Coleoptera, Chrysomelidae) in Fennoscandia;HIPPA;Ann. Entomol. Fenn.,1986