TY  - BOOK
AU  - Terzian, Yervant ed.
TI  - Planetary nebulae: observations and theory
SN  - 90-277-0872-X
PY  - 1978///
CY  - Dordrecht
PB  - D. Reidel Publishing
KW  - Astronomy and Astrophysics Thesaurus
KW  - Nebulae
KW  - Planetary nebulae
KW  - Ring nebulae
ER  -