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H-alfa (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "H-alfa" in Polish language version.

refsWebsite
Global rank Polish rank
1astro-tom.com
low place
low place
1web.archive.org
1st place
1st place
1olympusmicro.com
low place
low place

astro-tom.com

  • Filters. [dostęp 2006-12-09]. Astro-Tom.com.

olympusmicro.com

  • D. B. Murphy, K. R. Spring, M. J. Parry-Hill, I. D. Johnson, M. W. Davidson: Interference Filters. [dostęp 2006-12-09]. [zarchiwizowane z tego adresu (2017-10-02)]. Olympus.

web.archive.org

  • D. B. Murphy, K. R. Spring, M. J. Parry-Hill, I. D. Johnson, M. W. Davidson: Interference Filters. [dostęp 2006-12-09]. [zarchiwizowane z tego adresu (2017-10-02)]. Olympus.