Submitted on: 09 September 2000.
Revised on: 22 November 2000.
Accepted on: 04 December 2000.
___________________JOURNAL OF MECHANICS---OXFORD UNIV PRESS
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Submitted on: 20 August 2024.
Revised on: 23 September 2024.
Accepted on: 05 October 2024.
___________________JOURNAL OF MECHANICS---OXFORD UNIV PRESS
Submitted on: 01 September 2014.
Revised on: 20 November 2014.
Accepted on: 24 December 2014.
___________________JOURNAL OF MECHANICS---OXFORD UNIV PRESS
Submitted on: 25 March 2006.
Revised on: 05 July 2006.
Accepted on: 17 August 2006.
___________________JOURNAL OF MECHANICS---OXFORD UNIV PRESS
Submitted on: 21 December 1998.
Revised on: 08 April 1999.
Accepted on: 01 May 1999.
___________________JOURNAL OF MECHANICS---OXFORD UNIV PRESS