[1]
“Long term variability of radiosources in the frequencies of 22 GHz and 44 GHz”., RMxAA, vol. 14, no. 1, pp. 97–100, Jan. 1987, Accessed: Dec. 10, 2025. [Online]. Available: https://astronomia.unam.mx/journals/rmxaa/article/view/1987rmxaa..14...97b