TY  - BOOK
AU  - Schneider,Howard
TI  - Backyard guide to the night sky / 
SN  - 9781426205392
U1  - 523 21
PY  - 2009///
CY  - Unate State of America : 
PB  - National Geographic , 
KW  - LEMB
KW  - STARS
KW  - ASSOCIATIONS OF STARS
KW  - GALAXIES
N1  - Donado por Fernández
ER  -