TY  - BOOK
AU  - O'Dell, C. R., ed.
AU  - Osterbrock, D. E., ed.
ED  - International Astronomical Union symposium
ED  - International Astronomical Union
TI  - Planetary nebulae: proceedings of the International Astronomical Union symposium No.34 held in Tatranska Lomnica, Czechoslovakia, 4-8 September 1967
T2  - IAU Symposium; no. 34
PY  - 1968///
CY  - Dordrecht
PB  - D. Reidel Publishing
KW  - Astronomy and Astrophysics Thesaurus
KW  - Nebulae
KW  - Planetary nebulae
KW  - Ring nebulae
ER  -