@inbook{Kontula2003,
author = {Kontula, O.},
title= {Trends in teenage sexual behaviour, pregnancies, sexually transmitted infections and HIV infections in Europe},
year = {2003},
editor = {Bajos, N.},
editor = {Guillaume, A.},
editor = {Kontula, O.},
booktitle = {Reproductive Health Behaviour of Young Europeans. Volume 1},
address = {Strasbourg},
publisher = {Council of Europe Population Studies },
pages = {77--137},
}