Miranda, F., B. Cedillo-Ildefonso, J. C. Jiménez, G. Bedolla Nuñez, and S. Torres Rodriguez. “Asymmetric Substitution Between Methamphetamine and Amphetamine: Study of Drug Discrimination”. Mexican Journal of Behavior Analysis, vol. 37, no. 1, Mar. 2011, pp. 21-32, doi:10.5514/rmac.v37.i1.24685.