books%3Fid=U2kKBwAAQBAJ&q=A+Guide+to+Physics+Problems%3A+Part+2%3A+Thermodynamics%2C+Statistical+Physics+and+quantum+mechanics+By+Sidney+B.+Cahn%2C+Gerald+D.+Mahan%2C+Boris+E.+Nadgorny
books%3Fid=U2kKBwAAQBAJ&q=A+Guide+to+Physics+Problems%3A+Part+2%3A+Thermodynamics%2C+Statistical+Physics+and+quantum+mechanics+By+Sidney+B.+Cahn%2C+Gerald+D.+Mahan%2C+Boris+E.+Nadgorny