உலூனா 20 (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "உலூனா 20" in Tamil language version.

refsWebsite

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60^th place

1web.archive.org

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1^st place

1royalsocietypublishing.org

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2,187^th place

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asu.edu

lroc.asu.edu

"Luna-20 surface photos". Lunar Reconnaissance Orbiter Camera. பார்க்கப்பட்ட நாள் November 30, 2022.

doi.org

dx.doi.org

Pillinger, Colin Trevor; Gowar, A.P (4 January 1977). "The separation and subdivision of two 0.5g samples of lunar soil collected by the Luna 16 and 20 missions". Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences 284 (1319): 137–143. doi:10.1098/rsta.1977.0003. Bibcode: 1977RSPTA.284..137P. https://royalsocietypublishing.org/doi/10.1098/rsta.1977.0003.

harvard.edu

adsabs.harvard.edu

Pillinger, Colin Trevor; Gowar, A.P (4 January 1977). "The separation and subdivision of two 0.5g samples of lunar soil collected by the Luna 16 and 20 missions". Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences 284 (1319): 137–143. doi:10.1098/rsta.1977.0003. Bibcode: 1977RSPTA.284..137P. https://royalsocietypublishing.org/doi/10.1098/rsta.1977.0003.

nasa.gov

solarsystem.nasa.gov

"In Depth | Luna 20". NASA Solar System Exploration. Archived from the original on 2022-11-05. பார்க்கப்பட்ட நாள் 5 February 2020.

nssdc.gsfc.nasa.gov

"NASA - NSSDC - Spacecraft - Details". nssdc.gsfc.nasa.gov. பார்க்கப்பட்ட நாள் 8 November 2015.

royalsocietypublishing.org

Pillinger, Colin Trevor; Gowar, A.P (4 January 1977). "The separation and subdivision of two 0.5g samples of lunar soil collected by the Luna 16 and 20 missions". Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences 284 (1319): 137–143. doi:10.1098/rsta.1977.0003. Bibcode: 1977RSPTA.284..137P. https://royalsocietypublishing.org/doi/10.1098/rsta.1977.0003.

web.archive.org

"In Depth | Luna 20". NASA Solar System Exploration. Archived from the original on 2022-11-05. பார்க்கப்பட்ட நாள் 5 February 2020.