Quantum mechanics,/ John L. Powell and Bernd Crasemann. Powell, John L. (John Leonard), 1919- Crasemann, Bernd, author. Quantum theory. QC174.12 .P68 530.12 POQ Includes bibliography. Reading, Mass., Addison-Wesley Pub. Co. [1961] [1961] 1961 Text 495 p. eng