... NGC 7027

Tables 2 and 4 are only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.126.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/442/249

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...

Tables 1 and 3, Fig. 1 and Appendices A and B with their tables are only available in electronic form at http://www.edpsciences.org

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...

Also Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218.

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... MIDAS

MIDAS is developed and distributed by the European Southern Observatory.

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... (1995)

http://amods.kaeri.re.kr/spect/SPECT.html

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... Database

http://www.physics.nist.gov/cgi-bin/AtData/main_asd

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... van Hoof

http://www.pa.uky.edu/~peter/atomic/

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