181. http://kcor.sai.msu.ru/arXiv1102.1159.pdf
... 000, 1ґ13 (2010) Printed 21 September 2011 A (MN L TEX style file v2.2) A universal ultraviolet-optical colourґcolourґmagnitude relation of galaxies I1gor V. Chilingarian1,2, and Ivan Yu. ... Received 2011 Sep 15; in original form 2011 Feb 6 ABSTRACT The bimodal galaxy distribution in the optical colourґmagnitude diagram (CMD) comprises a narrow "red sequence" populated mostly by early-type galaxies and a broad "blue cloud" dominated by star-forming systems. ...