Photometric and spectroscopic study of the Shakhbazian compact galaxy groups SHCG 74, SHCG 188, SHCG 251, and SHCG 348
Journal article published in 2005 by
H. M. Tovmassian,
H. Tiersch,
G. H. Tovmassian,
V. H. Chavushyan,
S. G. Navarro,
S. Neizvestny,
J. P. Torres-Papaqui 
