Submitted on: 30 January 2011.
Revised on: 30 April 2011.
Accepted on: 20 June 2011.
___________________Facets---CANADIAN SCIENCE PUBLISHING
Submitted on: 25 May 2000.
Revised on: 06 September 2000.
Accepted on: 03 October 2000.
___________________Facets---CANADIAN SCIENCE PUBLISHING
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Submitted on: 22 December 2022.
Revised on: 30 March 2023.
Accepted on: 23 April 2023.
___________________Facets---CANADIAN SCIENCE PUBLISHING
Submitted on: 06 March 2002.
Revised on: 12 April 2002.
Accepted on: 22 April 2002.
___________________Facets---CANADIAN SCIENCE PUBLISHING
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Submitted on: 10 October 2001.
Revised on: 02 February 2002.
Accepted on: 22 March 2002.
___________________Facets---CANADIAN SCIENCE PUBLISHING