約翰內斯·哈特曼 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "約翰內斯·哈特曼" in Chinese language version.

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2web.archive.org

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1springerreference.com

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doi.org

Hartmann, J. Investigations on the spectrum and orbit of delta Orionis. Astrophysical Journal. 1904, 19: 268–286 [2015-01-11]. Bibcode:1904ApJ....19..268H. doi:10.1086/141112. （原始内容存档于2020-08-22）.

harvard.edu

articles.adsabs.harvard.edu

Hartmann, J. Investigations on the spectrum and orbit of delta Orionis. Astrophysical Journal. 1904, 19: 268–286 [2015-01-11]. Bibcode:1904ApJ....19..268H. doi:10.1086/141112. （原始内容存档于2020-08-22）.

ui.adsabs.harvard.edu

Hartmann, J. Investigations on the spectrum and orbit of delta Orionis. Astrophysical Journal. 1904, 19: 268–286 [2015-01-11]. Bibcode:1904ApJ....19..268H. doi:10.1086/141112. （原始内容存档于2020-08-22）.

springerreference.com

Hockey, Thomas. The Biographical Encyclopedia of Astronomers. Springer Publishing. 2009 [August 22, 2012]. ISBN 978-0-387-31022-0. （原始内容存档于2014-03-25）.

web.archive.org

Hartmann, J. Investigations on the spectrum and orbit of delta Orionis. Astrophysical Journal. 1904, 19: 268–286 [2015-01-11]. Bibcode:1904ApJ....19..268H. doi:10.1086/141112. （原始内容存档于2020-08-22）.
Hockey, Thomas. The Biographical Encyclopedia of Astronomers. Springer Publishing. 2009 [August 22, 2012]. ISBN 978-0-387-31022-0. （原始内容存档于2014-03-25）.