TY  - BOOK
AU  - Slater,Timothy F.
AU  - Freedman,Roger A.
TI  - Investigating astronomy: a conceptual view of the universe 
SN  - 142921063x
AV  - QB 45.2  .S58 2012
U1  - 520 23
PY  - 2012///
CY  - New York
PB  - W.H. Freeman and Company
KW  - Astronomy
N1  - Previous edition: 2012; Includes bibliographical references and index
ER  -