Sequeira, A.; Hamilton, Walter C. (September 1967). "Hydrogen Bonding in Phosphonium Iodide: A Neutron-Diffraction Study". The Journal of Chemical Physics. 47 (5): 1818–1822. Bibcode:1967JChPh..47.1818S. doi:10.1063/1.1712171.
Sequeira, A.; Hamilton, Walter C. (September 1967). "Hydrogen Bonding in Phosphonium Iodide: A Neutron-Diffraction Study". The Journal of Chemical Physics. 47 (5): 1818–1822. Bibcode:1967JChPh..47.1818S. doi:10.1063/1.1712171.