00426nam a2200133Ia 4500082001900000100002300019245005200042260002600094300001600120500009900136500000500235700002300240700002900263  a530.1bH473.PP  aHeisenberg, Werner  aThe physical principles of the quantum theoryb  aNew YorkbDoverc1949  a183p. Index  a"First published by the Univ. of Chicago Pr. in 1930". "Tr. by Carl Eckart and Frank C. Hoyt".  a  aEckart, Carl ; tr.  aHoyt, Frand C. ; jt. tr.