Gravitation, quanta and the universe proceedings of the Einstein centenary symposium held at Ahmedabad, India, 29 January-3 February 1979
Einstein Centenary Symposium1979Ahmedabad.
Prasanna, A. R.
Navlikar, Jayant.
Vishveshwara, C. V.
New Delhi [Chichester] Wiley
1980
Relativity (Physics)