1. Methamphetamine Use: Clinical and Forensic Aspects, Harold V. Hall, Sandra B. Mcpherson, Errol Yudko; CRC Press, 2003 page 5
2.Clandestine Methamphetamine Labs in Wisconsin, Natalie Vandeveld; Journal of Environmental Health, Vol. 66, 2004
3. Clandestine Methamphetamine Labs in Wisconsin, Natalie Vandeveld; Journal of Environmental Health, Vol. 66, 2004
4. Methamphetamine Use: Clinical and Forensic Aspects, Harold V. Hall, Sandra B. Mcpherson, Errol Yudko; CRC Press, 2003 Page 5
5. Clandestine Methamphetamine Labs in Wisconsin, Natalie Vandeveld; Journal of Environmental Health, Vol. 66, 2004
6."Speed tracers: Sudafed clampdown.(Citings)", Reason, January 1, 2005, Sullum, Jacob
7. Anderson County deputies bust urine meth lab WVLT - Knoxville,TN,USA Apr 2, 2009
8."Meth labs make a comeback in Tennessee" Knoxville News Sentinel - Knoxville,TN,USA Nicole Young, THE TENNESSEAN May 3, 2009