1. Modelling alcoholism as a contagious disease: how infected drinking buddies spread problem drinking?;Benedict;SIAM News,2007
2. G. Hay, M. Gannon, J. MacDougall, T. Millar, C. Eastwood, N. McKeganey, Local and national estimates of the prevalence of opiate use and/or crack cocaine use, in: R. Murray, L. Tinsley (Eds.), Measuring Different Aspects of Problem Drug Use: Methodological Developments, N. Singleton, Online Report OLR 16/06. London, Home Office, 2006.
3. Capture–recapture estimates of the local and national prevalence of problem drug use in Scotland;Hay;Int. J. Drug Policy,2006
4. The mathematics of infectious diseases;Hethcote;SIAM Rev.,2000