10-ISBN 0-674-01753-6; 13-ISBN 978-0-674-01753-5; OCLC 58053128==External links==*Theoretical Physics and Dialectics of Nature - June 1947*Philosophy and Methodology of Present-Day Science - 1968*Engels’ “Dialektik der Natur” - July 1969*CP Violation and Flavour Mixing
10-ISBN 0-674-01753-6; 13-ISBN 978-0-674-01753-5; OCLC 58053128* Theoretical Physics and Dialectics of Nature — June 1947* Philosophy and Methodology of Present-Day Science — 1968* Engels’ «Dialektik der Natur» — July 1969* CP Violation and Flavour Mixing