A spectroscopic survey of 51 planetary nebulaeALLER, L. H; KEYES, C. D.The Astrophysical journal. Supplement series. 1987, Vol 65, Num 3, pp 404-428, issn 0067-0049Article

Photometric and spectrophotometric observations of southern planetary nebulaeLOUISE, R; MACRON, A; PASCOLI, G et al.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 70, Num 2, pp 201-227, issn 0365-0138Article

The classification of planetary nebulaeFAUNDEZ-ABANS, M; MACIEL, W. J.Astronomy and astrophysics (Berlin. Print). 1987, Vol 183, Num 2, pp 324-326, issn 0004-6361Article

An ancient planetary nebula surrounding the old nova GK PerseiBODE, M. F; SEAQUIST, E. R; FRAIL, D. A et al.Nature (London). 1987, Vol 329, Num 6139, pp 519-521, issn 0028-0836Article

Multiple shell planetary nebulae. I: Morphologies and frequency of occurenceYOU-HUA CHU; JACOBY, G. H; ARENDT, R et al.The Astrophysical journal. Supplement series. 1987, Vol 64, Num 3, pp 529-544, issn 0067-0049, supplArticle

Observations of the Bowen fluorescent mechanism in planetary nebulaeLIKKEL, L; ALLER, L. H.The Astrophysical journal. 1986, Vol 301, Num 2, pp 825-833, issn 0004-637X, part 1Article

Misclassified planetary nebulaeSABBADIN, F.Astronomy & astrophysics. Supplement Series (Print). 1986, Vol 65, Num 2, pp 301-307, issn 0365-0138Article

Influence de la duplicité des étoiles sur la forme des nébuleuses planétairesKOLESNIK, I. G; PILYUGIN, L. S.Astronomičeskij žurnal. 1986, Vol 63, Num 2, pp 279-287, issn 0004-6299Article

Sur l'interprétation du spectre à raies d'émission des nébuleuses planétaires de grandes dimensions angulairesGOLOVATYJ, V. V; NOVOSYADLYJ, B. S.Astronomičeskij žurnal. 1988, Vol 65, Num 2, pp 341-348, issn 0004-6299Article

Physical characteristics of two low-excitation planetary Nebulae: He 2-277 and He 1312DE FREITAS PACHECO, J. A; VELIZ, J. G.Revista Mexicana de Astronomía y Astrofísica. 1987, Vol 15, Num 2, pp 89-93, issn 0185-1101Article

Ultraviolet spectrum and probable chemical composition of the high-excitation planetary nebula M1-1ALLER, L. H; KEYES, C. D; FEIBELMAN, W. A et al.Proceedings of the National Academy of Sciences of the United States of America. 1986, Vol 83, Num 9, pp 2777-2781, issn 0027-8424Article

Planetary nebulae of low surface brightness: gleanings from the POSSHARTL, H; WEINBERGER, R.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 69, Num 3, pp 519-525, issn 0365-0138Article

A radial velocity study of the planetary nebula nucleus HD 184728 with a cool carbon sequence Wolf-Rayet spectrumMOFFAT, A. F. J; LAMONTAGNE, R; SEGGEWISS, W et al.Astronomy and astrophysics (Berlin. Print). 1986, Vol 163, Num 1-2, pp 326-328, issn 0004-6361Article

Two-component velocity system of planetary nebulaeGURZADYAN, G. A; TERZIAN, Y.The Astronomical journal (New York). 1991, Vol 101, Num 5, pp 1752-1755, issn 0004-6256, 4 p.Article

A catalogue of expansion velocities of galactic planetary nebulaeWEINBERGER, R.Astronomy & astrophysics. Supplement Series (Print). 1989, Vol 78, Num 2, pp 301-324, issn 0365-0138Article

Particularités des spectres des nébuleuses planétaires avec un vent stellaire de leur noyauNIKITIN, A. A; FEKLISTOVA, T. KH; KHOLTYGIN, A. F et al.Astrofizika. 1989, Vol 30, Num 1, pp 151-157, issn 0571-7132Article

On the diatomic and triatomic hydrogen molecules in the planetary nebula NGC 7027GUSSIE, G; PRITCHET, C.Journal of the Royal Astronomical Society of Canada. 1988, Vol 82, Num 2, pp 69-78, issn 0035-872XArticle

Spatial spectroscopic diagnostics of planetary nebulae. VI: Numerical properties of the integral KernelHEKELA, J; PLECHAC, P.Bulletin of the Astronomical Institutes of Czechoslovakia. 1987, Vol 38, Num 5, pp 303-308, issn 0004-6248Article

Measurement of the He II radiation field in planetary nebulae through Bowen fluorescenceBHATIA, A. K; KASTNER, S. O.Physica scripta (Print). 1987, Vol 35, Num 6, pp 778-779, issn 0031-8949Conference Paper

Extinction distances to the planetary nebulae NGC 6565 and NGG 5979MACIEL, W. J; FAUNDEZ-ABANS, M; OLIVEIRA, M et al.Revista Mexicana de Astronomía y Astrofísica. 1986, Vol 12, pp 233-239, issn 0185-1101Article

Einstein X-ray observations of planetary nebulae and their implicationsTARAFDAR, S. P; APPARAO, K. M. V.The Astrophysical journal. 1988, Vol 327, Num 1, pp 342-346, issn 0004-637X, 1Article

Survey spectrophotométrique et catalogue des nébuleuses planétairesACKER, A.Bulletin d'information - Centre de données stellaires. 1987, Num 32, pp 9-20, issn 0242-6536Article

Spectrum and chemical analysis of the double-ring planetary nebula IC 1297ALLER, L. H; KEYES, C. D; FEIBELMAN, W. A et al.The Astrophysical journal. 1986, Vol 311, Num 2, pp 930-936, issn 0004-637X, 1Article

Studies of southern planetary nebulae. III: Chemical abundancesGUTIERREZ-MORENO, A; MORENO, H.Publications of the Astronomical Society of the Pacific. 1988, Vol 100, Num 634, pp 1497-1504, issn 0004-6280Article

Spectroscopic observations of faint and misclassified planetary nebulaeSTENHOLM, B; ACKER, A.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 68, Num 1, pp 51-62, issn 0365-0138Article