TY  - BOOK
AU  - Pobst,Sandy
TI  - Life of a Comet: Discover the secrets of these ancient marvels
T2  - Active Read
SN  - 9789775247278
U1  - 523.111 21
PY  - 2012///
CY  - Cairo
PB  - EduGate LLC
KW  - Space
KW  - الفضاء
N1  - العالم من حولنا (فضاء خارجي)
ER  -