"triphosphane (CHEBI:35893)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 07 June 2006. Main. Retrieved 27 September 2011. {{cite web}}: Check date values in: |date= (help)
nist.gov
webbook.nist.gov
"Triphosphine". NIST Chemistry WebBook. USA: National Institute of Standards and Technology. Retrieved 27 September 2011.