Dubourg, A., Roques, R., Germain, G., Declercq, J.-P., Garrigues, B., Boyer, D., Munoz, A., Klaebe, A., & Comtat, M. (1982). Phosphoranes With a P-oh Bond - Crystal-structure and Acidity. Journal of Chemical Research. Synopses, 7, 180-181. https://hdl.handle.net/2078.5/144351 (Original work published 1982)