"Boron Trifluoride Etherate". Encyclopedia of Reagents for Organic Synthesis. (2007). John Wiley & Sons. DOI:10.1002/047084289X.rb249.pub2.
V. V. Saraev, P. B. Kraikivskii, I. Svoboda, A. S. Kuzakov, R. F. Jordan (2008). "Synthesis, Molecular Structure, and EPR Analysis of the Three-Coordinate Ni(I) Complex [Ni(PPh3)3][BF4]". J. Phys. Chem. A112: 12449–12455. doi:10.1021/jp802462x.