TY - BOOK AU - Heisenberg, W AU - Eckart, C TI - Physical principles of the quantum theory SN - 486601137 U1 - 530.145 PY - 1949/// CY - New York PB - Dover KW - QUANTUM THEORY N1 - Translated by Carl Eckart and Frank C. Hoyt. (Ref. sec) ER -