TY  - BOOK
AU  - Pottasch, Stuart R 
TI  - Planetary nebulae: : A study of late stages of stellar evolution 
T2  - International astronomical union 
PY  - 1984///
CY  - Dordrecht: 
PB  - D. Reidel Publishing Company
KW  - Cosmoses
KW  - Universe
N1  - Vol. 107
ER  -