Collected works. 10v.; . 1. Early work (1905-1911), edited by J. Rud Nielsen. --v. 3. The correspondence principle (1918-1923), edited by J. Rud Nielsen.--v. 4. The periodic system (1920-1923).--v. 5. The emergence of quantum mechanics (mainly 1924-1926), edited by Klaus Stolzenburg.--v. 6. Foundations of quantum physics I (1926-1932), edited by Jørgen Kalckar.--v. 7. Foundations of quantum physics II (1933-1958), edited by Jørgen Kalckar.--v. 8. The penetration of charged particles through matter (1912-1954), edited by Jens Thorsen. --v. 10. Complementarity beyond physics (1928-1962), edited by David Favrholdt.

by Bohr, Niels
Published 1972