Submitted on: 17 September 2003.
Revised on: 04 December 2003.
Accepted on: 18 December 2003.
___________________Journal of Informetrics---ELSEVIER
Submitted on: 14 July 2001.
Revised on: 06 September 2001.
Accepted on: 26 October 2001.
___________________Journal of Informetrics---ELSEVIER
Submitted on: 10 February 2012.
Revised on: 24 May 2012.
Accepted on: 13 July 2012.
___________________Journal of Informetrics---ELSEVIER
Submitted on: 29 June 2009.
Revised on: 02 October 2009.
Accepted on: 04 November 2009.
___________________Journal of Informetrics---ELSEVIER
Submitted on: 15 August 2008.
Revised on: 03 December 2008.
Accepted on: 10 January 2009.
___________________Journal of Informetrics---ELSEVIER
Submitted on: 27 August 1999.
Revised on: 16 December 1999.
Accepted on: 10 February 2000.
___________________Journal of Informetrics---ELSEVIER
Submitted on: 09 August 2007.
Revised on: 01 October 2007.
Accepted on: 04 November 2007.
___________________Journal of Informetrics---ELSEVIER
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Submitted on: 29 January 2005.
Revised on: 13 March 2005.
Accepted on: 22 April 2005.
___________________Journal of Informetrics---ELSEVIER
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