Thị kính (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Thị kính" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

1books.google.com

3^rd place

6^th place

1brayebrookobservatory.org

low place

low place

books.google.com

Handbook of Optical Systems, Survey of Optical Instruments^{[liên kết hỏng]} by Herbert Gross, Hannfried Zügge, Fritz Blechinger, Bertram Achtner, page 110

brayebrookobservatory.org

“TMB Monocentric Eyepiece”. Comments on Gary Seronik's TMB Monocentric Eyepiece test report by Chris Lord in Sky & Telescope August 2004 pp98-102