1. Wind energy production in an icing environment — Can it be done?;Makkonen;Finnwind '90,1990
2. The effects of icing on wind turbines;Makkonen,1991
3. Development of wind technology for the Finnish climate;Böhmeke,1991
4. Additional loads caused by ice on rotor blades during operation;Seifort,1990
5. Icing on a small horizontal-axis wind turbine — Part 1: Glaze ice profiles;Bose;J. Wind Eng. Ind. Aerodyn.,1992