1.
- New trends and developments in occupational health services : proceedings of international symposium on "...", Espoo, 3-6 October 1989 / edit. J. Rantanen, S. Lehtinen. 1991, 890 - Amsterdam : Elsevier Science Publishers, 1991 - 21 s.(Excerpta Medica, International Congress Series; ICS 890 (1991)) ISBN 0-444-81401-9 [1, currently available 0, at library only 1]
- Chapters, articles