TY  - BOOK
TI  -   The Grolier Children's Encyclopedia  2 Black hole- Conservation
SN  - 0753403110
U1  - RQ30J89g 1998 V .2 
PY  - 1998///
CY  - Kingfisher Books Plc. ,London
PB  - Kingfisher Book Plc.
ER  -