Submitted on: 01 August 2014.
Revised on: 18 August 2014.
Accepted on: 09 September 2014.
NULL
Submitted on: 03 November 2023.
Revised on: 20 November 2023.
Accepted on: 02 December 2023.
Proceedings of the Indian National Science Academy
Submitted on: 25 September 1999.
Revised on: 08 November 1999.
Accepted on: 13 November 1999.
NULL
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http://reply.papertrans.cn/3/253/25284/25284-15.png
http://reply.papertrans.cn/3/253/25284/25284-16.png
Submitted on: 11 January 2001.
Revised on: 19 January 2001.
Accepted on: 25 January 2001.
Proceedings of the Indian National Science Academy
Submitted on: 02 October 2020.
Revised on: 18 October 2020.
Accepted on: 26 October 2020.
Proceedings of the Indian National Science Academy
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Submitted on: 15 March 2020.
Revised on: 28 April 2020.
Accepted on: 13 May 2020.
Proceedings of the Indian National Science Academy