Callahan, Ronald; Prip, Ron; Shariff, Navroz; Sklyut, Olga; Rothchild, Robert; Bynum, Kevin
Applied Spectroscopy, 2005 , vol. 59, # 3 p. 354 - 365

Crombie; Manzoor-i-Khuda
Journal of the Chemical Society, 1957 , p. 2767,2774