TY  - BOOK
AU  - Perek, L.
AU  - Kohoutek, L.,
TI  - Catalogue of galactic planetary nebulae
PY  - 1967///
CY  - Prague
PB  - Czechoslovakia Academy of Sciences
KW  - Astronomy and Astrophysics Thesaurus
KW  - Catalogue-Planetary nebulae
KW  - Planetary Nebulae-catalogue
ER  -