00798nam0-22002651i-450-990001006410403321000100641FED01000100641(Aleph)000100641FED0100010064120000920d1949----km-y0itay50------baengTwo lectures. 1The Present Situation in the Theory of Elementary Particles. 2 Electron Theory of Superconductivityby W. HeisenbergCambridgeCambridge University Press1949Meccanica quantistica530.12Heisenberg,Werner28660ITUNINARICAUNIMARCBK99000100641040332122-026330FI1FI1Two lectures. 1354870UNINAING01