The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (12. Aufl. 1996), New York, Stichwort: Methamphetamine
A. Ogata (1919): Constitution of ephedrine. Desoxyephedrine, in: J. Pharm. Soc. Jpn., 451 (1919) 751-764; Nachdruck in: Chem. Abstracts 14 (1920) 475; zitiert nach: Allen, A.; Cantrell, T.S. (1989): Synthetic Reductions in Clandestine Amphetamine and Methamphetamine Laboratories: A Review by Andrew Allen and Thomas S. Cantrell, in: Forensic Science International, Vol. 42, 183-199 (1989)
http://www.rhodium.ws/chemistry/amphetamine.reduction.html
E. Ogata, Helv. Chem Acta, 12 (1929) 873-877; zitiert nach: Cantrell, T.S. et al. (1989): A Study of Impurities Found in Methamphetamine Synthesized From Ephedrine, in: Forensic Science international 39, 39-53 (1988)
http://raver.net/code/content/rhodium/meth.impurities.txt