Ernst Hartwig (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ernst Hartwig" in Polish language version.

refsWebsite

Global rank Polish rank

1deutsche-biographie.de

1,974^th place

558^th place

low place

low place

1books.google.com

3^rd place

27^th place

5,388^th place

2,254^th place

75^th place

83^rd place

books.google.com

Gary W. Kronk: Cometography. A Catalog of Comets. T. 2: 1800–1899. Cambridge University Press, 1999, s. 447, 456, 581–582. ISBN 978-0-521-58505-7.

deutsche-biographie.de

WolfgangW. Strohmeier WolfgangW., Hartwig, Ernst, [w:] Neue Deutsche Biographie, t. 8, 1969, s. 14–15 [dostęp 2022-09-07] (niem.).

klima-luft.de

Wolfgang Steinicke: Carl Ernst Albrecht Hartwig. [w:] NGC/IC observers [on-line]. 2014-04-09. [dostęp 2014-05-27]. (ang.).

nasa.gov

ssd.jpl.nasa.gov

Hartwig w bazie Jet Propulsion Laboratory (ang.)

seds.org

messier.seds.org

Hartmut Frommert & Christine Kronberg: Ernst Hartwig (January 14, 1851 - May 3, 1923). [w:] SEDS (Students for the Exploration and Development of Space) [on-line]. [dostęp 2022-09-07]. (ang.).