00333nam a2200109Ia 4500008004100000082001800041100001600059245002200075260003500097630003600132650005500168211118s9999||||xx |||||||||||||| ||und||  a541.28bPRA-Q  aPrasad, R K 0aQuantum Chemistry  bAcademic PressaNew Yorkc1999  xphysical chemistryGeneral Stack  asciencevnatural sciences and mathematicsChemistry