Radio and infrared emission of the HII region complex: G18.2-0.3 in the galactic plane. Sun, J. ; Wu, Y. -F. ; Liang, S. -G. ; Huang, X. -Y. ; Ji, D. -S. Abstract Publication: Acta Astronomica Sinica Pub Date: 1994 Bibcode: 1994AcASn..35..353S