If you have trouble locating any of these papers please contact an author for a reprint. A few of the later papers are available as on line Postscript documents.

The derivation of pseudoatom information in germanium from total energy calculations
M A Ball and G P Srivastava
J Phys: Cond Matter 4, 1947-1958 (1992).

Derivation of pseudoatom information in GaAs
M A Ball and G P Srivastava
J Phys: Cond Matter 5, 2511-20 (1993).

Forward to publications by Batra, IP (2).