TY - BOOK AU - Burnham,Robert TI - Great comets SN - 9780521646000 U1 - 523.6 PY - 2000/// CY - Cambridge PB - Cambridge University Press KW - Comets N1 - Includes bibliographical references (p. [218]-224) and index UR - http://www.loc.gov/catdir/description/cam029/98050546.html UR - http://www.loc.gov/catdir/toc/cam021/98050546.html ER -