@article{Berkowitz1986, <br/>
            author = { Berkowitz, J. and Curtiss, L. A. and 
Gibson, S. T. and 
Greene, J. P. and 
Hillhouse, G. L. and 
Pople, J. A. } ,<br/>title = "{Photoionization mass spectrometric study and ab initio calculations of ionization and bonding in P-H compounds; heats of formation}"  ,<br/> journal = {Journal of Chemical Physics} ,<br/> year = 1986 ,<br/> volume = 84 ,<br/> pages = {375-384}  ,<br/> doi = {10.1063/1.450147}  <br/> }