1. H. Yamamoto , Lewis acids in organic synthesis , Wiley-VCH , Weinheim , 2002
2. Lewis Acids: From Conventional Homogeneous to Green Homogeneous and Heterogeneous Catalysis
3. J. Eames and M.Watkinson , in Metalloenzymes and electrophilic catalysis , John Wiley & Sons Ltd , 2007 , vol. 1 , pp. 508–519
4. H. Yamamoto and K.Ishihara , Acid catalysis in modern organic synthesis , Wiley-VCH , Weinheim , 2008
5. E. Y.-X. Chen , in Frustrated Lewis Pairs II: Expanding the Scope , ed. G. Erker and D. W. Stephan , Springer Berlin Heidelberg , Berlin, Heidelberg , 2013 , pp. 239–260