TY  - BOOK
AU  - RUSSELL (Henry Norris)
AU  - DUGAN (Raymond Smith)
TI  - Astronomy: a revision of youngs manual of astronomy: Astrophysics and stellar astronomy
U1  - 520/166 
PY  - 1927///
CY  - Boston
PB  - Ginn and Company.
KW  - Astrophysics
KW  - astronomy
ER  -