Allen's astrophysical quantities. 4th ed. New York : AIP Press [u.a.], c2000. xviii, 719 s. Available on Internet: <http://www.loc.gov/catdir/enhancements/fy0812/98053154-d.html> <http://www.gbv.de/dms/bs/toc/252880706.pdf> ISBN 0-387-98746-0.