Johnstone, Alan D. Cometary plasma processes Alan D. Johnstone - Washington, D. C. American Geophysical Union 1991 - 364p. col. plate; figs; illus; refs - Geophysical Monograph; No. 61 . ISBN: 0-87590-027-5 Subjects--Topical Terms: Plasma ProcessesCometary Plasmas Universal Decimal Class. No.: 523.64:523.62-726 / JOH