DIRAC, P. A. M. The principles of quantum mechanics / by P.A.M.Dirac - 4th ed., r - Calcutta Oxford University press 1979 - ev. xii, 314 p.- - The International series of monographs on physics. . Includes index. Subjects--Topical Terms: Quantum mechanics Quantum theory Dewey Class. No.: 530.12 / DIR