Gevrey, S.; Luna, A.; Haldys, V.; Tortajada, J.; Morizur, J. P. (1998). "Experimental and theoretical studies of the gas-phase protonation of orthophosphoric acid". The Journal of Chemical Physics108 (6): 2458. Bibcode:1998JChPh.108.2458G. doi:10.1063/1.475628.
Klaus Schrödter, Gerhard Bettermann, Thomas Staffel, Friedrich Wahl, Thomas Klein, Thomas Hofmann "Phosphoric Acid and Phosphates" in Ullmann's Encyclopedia of Industrial Chemistry 2008, Wiley-VCH, Weinheim. doi10.1002/14356007.a19_465.pub3
"STAR SAN"(PDF). Five Star Chemicals. Arquivado dende o orixinal(PDF) o 08 de febreiro de 2016. Consultado o 17 August 2015.Arquivado 08 de febreiro de 2016 en Wayback Machine.
Gevrey, S.; Luna, A.; Haldys, V.; Tortajada, J.; Morizur, J. P. (1998). "Experimental and theoretical studies of the gas-phase protonation of orthophosphoric acid". The Journal of Chemical Physics108 (6): 2458. Bibcode:1998JChPh.108.2458G. doi:10.1063/1.475628.
"STAR SAN"(PDF). Five Star Chemicals. Arquivado dende o orixinal(PDF) o 08 de febreiro de 2016. Consultado o 17 August 2015.Arquivado 08 de febreiro de 2016 en Wayback Machine.