1. Towards a standard operationalization of socioeconomic status for epidemiological and socio-medical research;Berkel van-Schaik van,1990
2. Gender differences in alcohol-related problems;Bongers;Addiction,1998
3. Alcohol use and problem drinking;Bongers;Substance Use & Misuse,1997
4. Alcohol and tension reduction. An update on research and theory;Cappell,1987
5. CBS (Central Bureau of Statistics). (1986). Questionnaire life situation research. Voorburg/Heerlen: CBS (in Dutch).