Media type: E-Article Title: Two Lectures I. Present situation in the theory of elementary particles. II. Electron theory of super-conductivity Contributor: Eisenbud, Leonard imprint: Elsevier BV, 1949 Published in: Journal of the Franklin Institute Language: English DOI: 10.1016/s0016-0032(49)90307-5 ISSN: 0016-0032 Keywords: Applied Mathematics ; Computer Networks and Communications ; Signal Processing ; Control and Systems Engineering Origination: Footnote: