Citation

Grindley TB , Johnson KF , Kaack H , Katritzky AR , Schiemenz GP Topsom RD (1975) Infrared intensities as a quantitative measure of intramolecular interactions. XXXIX. Triaryl-phosphines, -phosphine oxides and -phosphine sulphides. Australian Journal of Chemistry 28, 327-333.

https://doi.org/10.1071/CH9750327