Johann Gottfried Koehler (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Johann Gottfried Koehler" in Polish language version.

refsWebsite

Global rank Polish rank

274^th place

376^th place

5,388^th place

2,254^th place

low place

low place

klima-luft.de

Wolfgang Steinicke: Johann Gottfried Koehler. [w:] NGC/IC observers [on-line]. 2016-10-05. [dostęp 2016-10-09]. (ang.).

seds.org

messier.seds.org

Hartmut Frommert, Christine Kronberg: Johann Gottfried Koehler. Students for the Exploration and Development of Space (SEDS). [dostęp 2016-10-09]. (ang.).

springer.com

link.springer.com

Köhler, Johann Gottfried. W: red. Thomas Hockey: Biographical Encyclopedia of Astronomers 2nd Edition. Springer New York, 2014, s. 1231. ISBN 978-1-4419-9917-7.