Sao đôi quang học (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sao đôi quang học" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

6^th place

4^th place

archive.org

Heintz, W. D. (1978). Double Stars. Dordrecht: D. Reidel. tr. 17. ISBN 90-277-0885-1.
Heintz, W. D. (1978). Double Stars. Dordrecht: D. Reidel. tr. 4–10. ISBN 90-277-0885-1.