1. Screening depressed patients in a family practice: A rapid technic;Beck;Postgraduate Medicine,1972
2. Social networks, host resistance, and mortality: A nine-year follow-up study of Alameda County residents;Berkman;American Journal of Epidemiology,1979
3. Berscheid, E., & Reis, H. T. (1998). Attraction and close relationships. In D. T. Gilbert & S. T. Fiske (Eds.), The handbook of social psychology (Vol. 2, 4th ed., pp. 193–281). New York, NY, US: McGraw-Hill.
4. Genetic and environmental contributions to loneliness in adults: The Netherlands Twin Register Study;Boomsma;Behavior Genetics,2005
5. Boomsma, D . I., Willemsen, G., Hawkley, L. C., Cacioppo, J. T., & Posthuma, D. (2004). Genetics of loneliness: The Netherlands twin register study. Paper to be presented at European Conference, June, 2004.