“NGC 6946: kinematics of the starburst in the circum-nuclear zone”., RMxAA, vol. 14, no. 1, pp. 144–148, Jan. 1987, Accessed: Dec. 09, 2025. [Online]. Available: https://astronomia.unam.mx/journals/rmxaa/article/view/1987rmxaa..14..144m