00418nam a2200145Ia 4500003000900000008004100009020001800050040001600068080001600084100002400100245008400124260003800208300001500246650001100261IN-BaIIA211028s9999    xx            000 0 eng d  a9971-978-18-0  cIIA Library  a523.64bKRI  aKrishna Swamy, K. S 0aPhysics of cometscK. S. Krishna Swamy                                           aSingaporebWorld Scientificc1986  axiv, 273p.  aComets