Comets : speculation and discovery /
Calder, Nigel,1931-2014.
New York : Dover ; London : Constable,
1994.
Originally published: The comet is coming. Harmondsworth, Middlesex, England ; New York, N.Y., U.S.A. : Penguin Books, 1992, c1980.
Includes bibliographical references (p. 152-156) and index.
Halley, Edmond, 1656-1742.
Comets.