TY  - BOOK
AU  - Abetti,Georgio, Hack, Margherita
AU  - x
TI  - Nebulae and glaxies: x
SN  - x
U1  - 523.12/ABN 
PY  - 1965///
CY  - N.Y.
PB  - Crowell
KW  - Universe
N1  - x
ER  -