Bickel, W., Landes, R., Christensen, D., Jackson, L., Jones, B., Kurth-Nelson, Z., & Redish, A. (2011). Single- and Cross-Commodity Discounting Among Cocaine Addicts: The Commodity and Its Temporal Location Determine Discounting Rate. Psychopharmacology. https://doi.org/10.1007/S00213-011-2272-X
Bickel, Warren, Reid Landes, Darren Christensen, Lisa Jackson, Bryan Jones, Zeb Kurth-Nelson, and A Redish. 2011. “Single- and Cross-Commodity Discounting Among Cocaine Addicts: The Commodity and Its Temporal Location Determine Discounting Rate”. Psychopharmacology. https://doi.org/10.1007/S00213-011-2272-X.
Bickel, W., R. Landes, D. Christensen, L. Jackson, B. Jones, Z. Kurth-Nelson, and A. Redish. Single- and Cross-Commodity Discounting Among Cocaine Addicts: The Commodity and Its Temporal Location Determine Discounting Rate. Psychopharmacology, 1 Sept. 2011, doi:10.1007/S00213-011-2272-X.