Submitted on: 30 September 2012.
Revised on: 11 November 2012.
Accepted on: 22 November 2012.
___________________ACTA ASTRONAUTICA---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 19 March 2022.
Revised on: 02 June 2022.
Accepted on: 17 July 2022.
___________________ACTA ASTRONAUTICA---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 03 November 2008.
Revised on: 02 February 2009.
Accepted on: 18 March 2009.
___________________ACTA ASTRONAUTICA---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 22 March 2023.
Revised on: 18 May 2023.
Accepted on: 08 June 2023.
___________________ACTA ASTRONAUTICA---PERGAMON-ELSEVIER SCIENCE LTD
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Submitted on: 20 September 2001.
Revised on: 27 December 2001.
Accepted on: 14 February 2002.
___________________ACTA ASTRONAUTICA---PERGAMON-ELSEVIER SCIENCE LTD