The Earth's middle and upper atmosphere : proceedings of the Topical Meeting of the COSPAR Interdisiplinary Scientific Commission C (meetings C6, C7, C9, C10 and C11) of the COSPAR twenty-eight Plenary Meeting held in The Hague, The Netherlands, 25 June - 6 July 1990
edited by J. M. Forbes [et al.]
Bok Engelsk 1992