REFERENCES

1. G. Helou, B. F. Madore, M. Schmitz, M. D. Bicay, X. Wu, and J. Bennett, "The NASA/IPAC Extragalactic Database," in Databases and Online Astronomy, M. A. Albrecht and D. Egret, eds., pp. 89-106, Kluwer, 1991.
2. J. M. Mazzarella and V. A. Balzano, "A Catalog of Markarian Galaxies," Astrophysical Journal Supplement Series, 62, pp. 751-819, 1986.
3. D. J. Schlegel, D. P. Finkbeiner, and M. Davis, "Maps of Dust Infrared Emission for Use in Estimation of Reddening and Cosmic Microwave Background Radiation Foregrounds," Astrophysical Journal, 500, pp. 525-555, 1998.
4. D. Burstein and C. Heiles, "Reddenings Derived From H I and Galaxy Counts - Accuracy and Maps," Astronomical Journal, 87, pp. 1165-1189, 1982.
5. R. Cowen, "Mining the Sky," Science News, 159, pp. 124-125, 2001.
6. J. Weiss and J. Good, "The NASA Astrophysics Data System," in Databases and Online Astronomy, M. A. Albrecht and D. Egret, eds., pp. 139-150, Kluwer, 1991.
7. R. Rutledge, R. Brunner, T. Prince, and C. Lonsdale, "XID: Cross-Association of ROSAT/Bright Source Catalog X-Ray Sources with USNO A-2 Optical Point Sources," Astrophysical Journal Supplement Series, 131, pp. 335-353, 2000.
8. U. M. Fayyad, G. Piatetsky-Shapiro, and P. Smyth, "From Data Mining to Knowledge Discovery: An Overview," in Advances in Knowledge Discovery and Data Mining, U. M. Fayyad, G. Piatetsky-Shapiro, P. Smyth, and R. Uthurusamy, eds., pp. 1-34, AAII Press / The MIT Press, 1996.