Encyclopaedia of nuclear physics Vol.2 (Atomic physics) - Ahmad, Shahzad (New Delhi Anmol Publications, 2006)
http://www.amazon.com/Encyclopaedia-Nuclear-Physics-Shahzad-Ahmad/dp/8126126183/ref=sr_1_1?s=books&ie=UTF8&qid=1412151769&sr=1-1&keywords=8126126183
Keywords: ME