1. Investigation of various foundation methods in shore areas in particularly weak ground condition;Ark Houses,1991
2. Development of Prebuilding;City of Helsinki Geotechnical Department;Report No. 43,1985
3. Prebuilding, necessary on soft areas;City of Helsinki Geotechnical Department;Leaflet,1983
4. Prebuilding and Municipal Engineering;Pikku-Huopalahti,1989