TY - CHAP A1 - Bozon, M. A1 - Kontula, O. T1 - Sexual initiation and gender in Europe: A cross-cultural analysis of trends in the twentieth century Y1 - 2014 DO - 10.4324/9781003015420-4 A3 - Hubert, M. A3 - Bajos, N. A3 - Sandfort, T. T2 - Sexual behaviour and HIV/AIDS in Europe: Comparisons of national surveys CY - London PB - Routledge ER -