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Named in honor of Pol Swings {1906–1983}, president of the I.A.U. during 1964–1967. He has contributed immensely to our knowledge of the physics of comets, especially the analysis and understanding of their spectra. (M 3932)

Obituaries published in Ciel, Vol. 45, p. 252–253 (1983); C.R. Séances Acad. Sci., Suppl., Tome 297, No. 13, p. 91 (1983); Sky Telesc., Vol. 67, No. 4, p. 325 (1984); Astrophys. Space Sci., Vol. 102, No. 1, p. 1–2 (1984); Ciel Terre, Vol. 100, No. 4, p. 135–138 (1984); C.R. Acad Sci., Sér. Gén., Vie Sci., Tome 2, No. 6, p. 657–662 (1986); Q.J.R. Astron. Soc., Vol. 27, No. 2, p. 305–308 (1986); Postepy Astron., Tom 32, Zesz. 1, p. 87–98 (1984).