Malla, Janak Ratna, Walter Saurer, and Binil Aryal. “Spatial Orientation of Galaxies in Supercluster S[227+006+0078]”. BIBECHANA 17 (January 1, 2020): 117–122. Accessed April 29, 2024. https://www.nepjol.info/index.php/BIBECHANA/article/view/26582.