TY - BOOK AU - Heisenberg,Werner TI - The physical principles of the quantum theory SN - 0486601137 PY - 1949///] CY - [New York] PB - Dover Publications KW - Quantum theory N1 - "Lectures ... at the University of Chicago in the spring of 1929."--Pref UR - http://www.loc.gov/catdir/enhancements/fy1315/49011952-d.html UR - http://www.loc.gov/catdir/enhancements/fy1318/49011952-t.html ER -