Matsui; Arakawa
Memoirs of the College of Science, Kyoto Imperial University, 1932 , vol. <A> 15, p. 190 - 192
Chem. Zentralbl., 1932 , vol. 103, # II p. 2167
Larsen, Scott D.; May, Paul D.; Bleasdale, John E.; Liljebris, Charlotta; Schostarez, Heinrich Josef; Barf, Tjeerd; Nilsson, Marianne
Patent: US6410585 B1, 2002 ;
US 6410585 B1