தெறிப்புவகைத் தொலைநோக்கி (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "தெறிப்புவகைத் தொலைநோக்கி" in Tamil language version.

refsWebsite

Global rank Tamil rank

3books.google.com

3^rd place

6^th place

books.google.com (Global: 3^rd place; Tamil: 6^th place)

Henry C. King (1955). The History of the Telescope. p. 74. ISBN 978-0-486-43265-6. Retrieved 2013-08-01.
Fred Watson (2007). Stargazer: The Life and Times of the Telescope. Allen & Unwin. p. 108. ISBN 978-1-74176-392-8.
Fred Watson (2007). Stargazer: The Life and Times of the Telescope. Allen & Unwin. p. 109. ISBN 978-1-74176-392-8.