المراجع
claude cohen–tannoudji , bernard diu , and frank laloe , Quantum Mechanics ,Volumes 1 and 2,John Wiley & Sons,New York(1977)
John J. Brehm and William J. Mullin , introduction to Structure of Matter : A course in Modern Physics, John Wiley & Sons , New York(1989)
Donald A. McQuarrie , Quantum Chemistry , University Science Books , Mill Valley , Calif(1983)