C. J. Banta-Green, Field, J., Chiaia, A. C., Sudakin, D. L., Power, L., and De Montigny, L.,
“The spatial epidemiology of cocaine, methamphetamine and 3, 4-methylenedioxymethamphetamine (MDMA) use: a demonstration using a population measure of community drug load derived from municipal wastewater”,
Addiction, vol. 104, pp. 1874–1880, 2009.