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“Multifrequency observations of the cometary nebula P18 (NGC 2316)”., RMxAA, vol. 16, no. 1, pp. 99–103, Jan. 1988, Accessed: Dec. 09, 2025. [Online]. Available: https://astronomia.unam.mx/journals/rmxaa/article/view/1988rmxaa..16...99l