Einstein Centenary Symposium Ahmedabad, India, Prasanna, A. R., Narlikar, J. V., & Vishveshwara, C. V. (1980). Gravitation, quanta, and the universe: Proceedings of the Einstein Centenary Symposium held at Ahmedabad, India, 29 January-3 February 1979. Wiley Eastern.

Einstein Centenary Symposium Ahmedabad, India, A. R. Prasanna, Jayant Vishnu Narlikar, a C. V. Vishveshwara. Gravitation, Quanta, and the Universe: Proceedings of the Einstein Centenary Symposium Held at Ahmedabad, India, 29 January-3 February 1979. New Delhi: Wiley Eastern, 1980.

Einstein Centenary Symposium Ahmedabad, India, et al. Gravitation, Quanta, and the Universe: Proceedings of the Einstein Centenary Symposium Held at Ahmedabad, India, 29 January-3 February 1979. Wiley Eastern, 1980.