BOR-4 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "BOR-4" in English language version.

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astronautix.com

Mark Wade. "BOR-4". www.astronautix.com. Encyclopedia Astronautica. Retrieved 30 May 2024.

Petrovitch, Vassili. "BOR Characteristic". buran-energia.com. Archived from the original on 28 September 2022. Retrieved 12 February 2016.

"BOR: Où les voir ?" [BOR: Where to see them?]. kosmonavtika (in French). Archived from the original on 23 January 2021. Retrieved 12 February 2016.

Grayzeck, Edwin.J. "NASA - National Space Science Data Center - Spacecraft - Details: Cosmos 1517". NSSDC Master Catalog. National Aeronautics & Space Administration. Archived from the original on 19 December 2022. Retrieved 16 January 2015.

Hodges, Jim (23 June 2011). "They're Trying to Make a Dream Come True". The Researcher News. NASA Langley Research Center. Archived from the original on 3 May 2022.

Grayzeck, Edwin.J. "NASA - National Space Science Data Center - Spacecraft - Details: Cosmos 1517". NSSDC Master Catalog. National Aeronautics & Space Administration. Archived from the original on 19 December 2022. Retrieved 16 January 2015.
Hodges, Jim (23 June 2011). "They're Trying to Make a Dream Come True". The Researcher News. NASA Langley Research Center. Archived from the original on 3 May 2022.
Petrovitch, Vassili. "BOR Characteristic". buran-energia.com. Archived from the original on 28 September 2022. Retrieved 12 February 2016.
Bauduin, Pierre (3 March 2007). "Unmanned Orbital Rocket Planes type "BOR"". Weebau Spaceflight Encyclopedia. Archived from the original on 16 January 2021. Retrieved 12 February 2016.
"BOR: Où les voir ?" [BOR: Where to see them?]. kosmonavtika (in French). Archived from the original on 23 January 2021. Retrieved 12 February 2016.

Bauduin, Pierre (3 March 2007). "Unmanned Orbital Rocket Planes type "BOR"". Weebau Spaceflight Encyclopedia. Archived from the original on 16 January 2021. Retrieved 12 February 2016.