TY  - BOOK
AU  - Birney, D. Scott
AU  - Gonzalez, Guillermo
AU  - Oesper David
TI  - Observational astronomy
SN  - 0-521-85370-2
PY  - 2006///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Astronomy
KW  - Observational astronomy
ER  -