Submitted on: 28 March 1998.
Revised on: 09 July 1998.
Accepted on: 03 August 1998.
___________________Journal of the Korean Society for Aeronautical and Space Sciences
Submitted on: 19 September 2000.
Revised on: 02 January 2001.
Accepted on: 04 February 2001.
___________________Journal of the Korean Society for Aeronautical and Space Sciences
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Submitted on: 18 September 2017.
Revised on: 08 January 2018.
Accepted on: 10 February 2018.
___________________Journal of the Korean Society for Aeronautical and Space Sciences
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Submitted on: 06 March 2024.
Revised on: 12 June 2024.
Accepted on: 03 July 2024.
___________________Journal of the Korean Society for Aeronautical and Space Sciences
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