en
1
5
10
20
40
60
80
100
Finnish Sex Survey 1992
(
2003-11-20
)
Haavio-Mannila, Elina
;
Kontula, Osmo
;
University of Helsinki. Department of Sociology - Haavio-Mannila, Elina
;
University of Helsinki. Department of Public Health - Kontula, Osmo