The physicist's conception of nature /
edited by Jagdish Mehra ; [symposium director: Jagdish Mehra].
- Dordrecht-Holland ; Boston : Dordrecht-Holland ; Boston : D. Reidel, 1973.
"Held at the International Centre for Theoretical Physics, Miramare, Trieste, Italy, 18-25 September 1972." "Dedicated to Paul Adrien Maurice Dirac on the occasion of his seventieth birthday." Financial sponsorship: The Science Committe, North Atlantic Treaty Organization (Brussels, Belgium) [and others]