... 4U 1954+31

Appendix is only available in electronic form at http://www.aanda.org

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... archive

Available at: http://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3browse.pl

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... ASM

ASM light curves are available at: http://xte.mit.edu/ASM_lc.html

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... FTOOLS

Available at: http://heasarc.gsfc.nasa.gov/ftools/

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... Database

Available at: http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_intro.html

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