J. H. Cahn et J. B. Kaler, « The Distances and Distribution of Planetary Nebulae », The Astrophysical Journal Supplement Series, vol. 22, , p. 319 (ISSN0067-0049, DOI10.1086/190227, lire en ligne, consulté le )
P. Pismis, I. Hasse et A. Quintero, « A Comparative Study of Morphology and Velocity Field of the Emission Nebulae S153, S207, S211, and A71 », Publications of the Astronomical Society of the Pacific, vol. 103, , p. 843 (ISSN0004-6280, DOI10.1086/132891, lire en ligne, consulté le )
harvard.edu
ui.adsabs.harvard.edu
J. H. Cahn et J. B. Kaler, « The Distances and Distribution of Planetary Nebulae », The Astrophysical Journal Supplement Series, vol. 22, , p. 319 (ISSN0067-0049, DOI10.1086/190227, lire en ligne, consulté le )
P. Pismis, I. Hasse et A. Quintero, « A Comparative Study of Morphology and Velocity Field of the Emission Nebulae S153, S207, S211, and A71 », Publications of the Astronomical Society of the Pacific, vol. 103, , p. 843 (ISSN0004-6280, DOI10.1086/132891, lire en ligne, consulté le )
issn.org
portal.issn.org
J. H. Cahn et J. B. Kaler, « The Distances and Distribution of Planetary Nebulae », The Astrophysical Journal Supplement Series, vol. 22, , p. 319 (ISSN0067-0049, DOI10.1086/190227, lire en ligne, consulté le )
P. Pismis, I. Hasse et A. Quintero, « A Comparative Study of Morphology and Velocity Field of the Emission Nebulae S153, S207, S211, and A71 », Publications of the Astronomical Society of the Pacific, vol. 103, , p. 843 (ISSN0004-6280, DOI10.1086/132891, lire en ligne, consulté le )