TY  - BOOK
AU  - Melark,Peter G.
ED  - ebrary, Inc.
TI  - Comets: characteristics, composition and orbits 
T2  - Space science, exploration and policies
AV  - QB721 .C6493 2012eb
U1  - 523.6 23
PY  - 2012///
CY  - Hauppauge, N.Y.
PB  - Nova Science Publishers
KW  - Comets
KW  - Electronic books
KW  - local
N1  - Includes bibliographical references and index; Electronic reproduction; Palo Alto, Calif.; ebrary; 2013; Available via World Wide Web; Access may be limited to ebrary affiliated libraries
UR  - http://site.ebrary.com/lib/daystar/Doc?id=10681243
ER  -