Messier 91 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Messier 91" in Czech language version.

refsWebsite
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arxiv.org

caltech.edu

ned.ipac.caltech.edu

  • NASA/IPAC Extragalactic Database: Results for M 91 [online]. [cit. 2018-07-11]. Dostupné online. (anglicky) 

doi.org

dx.doi.org

doi.org

harvard.edu

adsabs.harvard.edu

seds.org

spider.seds.org

messier.seds.org

  • FROMMERT, Hartmut. SEDS Messier Objects Database: Messier 91 [online]. SEDS.org [cit. 2018-07-11]. Dostupné online. (anglicky) 

u-strasbg.fr

simbad.u-strasbg.fr

  • SIMBAD Astronomical Database: Results for M 91 [online]. [cit. 2018-07-11]. Dostupné online. (anglicky) 

web.archive.org

  • FROMMERT, Hartmut. Revised NGC Data for NGC 4548 [online]. SEDS.org [cit. 2018-07-11]. Dostupné v archivu pořízeném dne 2015-09-07. (anglicky)