The PAW pseudopotential data base is published in:

• Cao, C., Wu, Y., Hamdan, R. and Cheng, H.P., New J. of Phys. 12 , 123029 (2010).

For additional background refer to:

• Kresse, G. and Jouber, J. , Phys. Rev. B 59, 1758, (1999).
• Blöchl, P. E., Phys. Rev. B, 50, 17953, (1994).