TY  - BOOK
AU  - Gregersen,Erik
TI  - Astronomical observations: astronomy and the study of deep space
T2  - An explorer's guide to the universe
SN  - 9781615300259
PY  - 2010///
CY  - New York
PB  - Britannica Educational Publishing;Rosen Educational services
KW  - Astronomy
KW  - Popular works
KW  - Local
KW  - Astronomy instruments
KW  - Observations
N1  - "In association with Britannica Educational Publishing and Rosen educational Services"; Includes bibliographical references and index
ER  -