광 통신 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "광 통신" in Korean language version.

refsWebsite

Global rank Korean rank

2books.google.com

3^rd place

9^th place

135^th place

282^nd place

1,708^th place

4,359^th place

books.google.com

Chapter 2: Semaphore Signalling ISBN 978-0-86341-327-8 Communications: an international history of the formative years R. W. Burns, 2004
Telegraph Vol 10, Encyclopædia Britannica, 6th Edition, 1824 pp. 645-651

nps.gov

“Nation Park Service Fire History Timeline”.

unl.edu

lewisandclarkjournals.unl.edu

“Lewis and Clark Journals, July 20, 1805”.