... Takeo Komata, Kei Matsunaga, Yoshiki Hirotsu, Shinya Akiba, Katsuyuki Ogura. The cross-aldol reaction of hexafluoroacetone (HFA) with ketones catalyzed by an acid. Journal of Fluorine Chemistry, Volume 128, Issue 8, August 2007. ...
[Grushin, Vladimir V.; Marshall, William J.; Halliday, Gary A.; Davidson, Fredric; Petrov, Viacheslav A. Journal of Fluorine Chemistry, 2002 , vol. 117, # 2 p. 121 - 129]