...1,

Visitor (May-November 1999) in the Research School of Astronomy and Astrophysics, Australian National University.

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... (VSNET)

http://www.kusastro.kyoto-u.ac.jp/vsnet/gcvs/

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... database

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

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... (AAVSO)

http://www.aavso.org/adata/curvegenerator.shtml

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