1. 2. Laakintohallituksen tyoryhman mietinto No. 5 (Report No 5 of the working group of National Medical Board. In Finnish). Hammashuollon kehittamislyoryhma1979 .
2. 44-year dental health survey of Helsinki schoolchildren
3. 5. P Puska, and K. AiraksinenSuomalaisen aikuisvaeston terveyskayttaytyminen: Kevat 1979 (Health behavior of the Finnish adult population. In Finnish). Kansanterveyslaboratorio, Kansantautiepidemiologinen tutkimusyksikko1979 (ISBN 951-46-4521-9).