Submitted on: 09 August 2024.
Revised on: 05 December 2024.
Accepted on: 02 February 2025.
___________________CLASSICAL AND QUANTUM GRAVITY---IOP PUBLISHING LTD
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Submitted on: 18 September 2023.
Revised on: 26 December 2023.
Accepted on: 15 January 2024.
___________________CLASSICAL AND QUANTUM GRAVITY---IOP PUBLISHING LTD
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Submitted on: 29 October 2015.
Revised on: 27 December 2015.
Accepted on: 24 February 2016.
___________________CLASSICAL AND QUANTUM GRAVITY---IOP PUBLISHING LTD
Submitted on: 29 January 2000.
Revised on: 17 May 2000.
Accepted on: 14 June 2000.
___________________CLASSICAL AND QUANTUM GRAVITY---IOP PUBLISHING LTD
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