TY  - BOOK
AU  - Gregarsen, Erik, Ed.
TI  - Explorer's Guide to the Universe : Astronomical Observations: astronomy and the study of deep space
SN  - 9781615300259
U1  - 520 
PY  - 2010///
CY  - New Delhi
PB  - Rosen Education
KW  - Astronomy
N1  - Index
ER  -