TY  - BOOK
ED  - World Book, Inc.
TI  - Quasars and black holes.
SN  - 9780716695523
AV  - QB843.B55 .Q37 2010
U1  - 523.8 22
PY  - 2010///
CY  - Chicago, IL
PB  - World Book
KW  - Black holes (Astronomy)
KW  - Juvenile literature
KW  - Quasars
N1  - Includes index
N2  - "An introduction to quasars and black holes with information about their formation and characteristics. Includes diagrams, fun facts, a glossary, a resource list, and an index"--Provided by publisher
ER  -