Theoretical models of planetary nebulae

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[2]  G. Shields.  Ionization structure and composition of the planetary nebula NGC 7027 , 1978 .

[3]  S. Hawley,et al.  Observations of forbidden S III in NGC 604 and N/S abundance gradients , 1977 .

[4]  A. Pradhan.  Collision strengths for [O II] and [S II]. , 1976 .

[5]  B. Balick,et al.  The Ionization Structure of H II Regions: the Effects of Stellar Metal Opacity , 1976 .

[6]  J. P. Harrington,et al.  Time-dependent effects in the nebular shell of FG sagittae , 1976 .

[7]  W. D. Watson,et al.  Calculation of the cross section for C iv-H charge exchange: significance for interstellar x-rays/cosmic-ray particles. [0. 1 to 1. 75 eV] , 1976 .

[8]  B. Webster.  On the Interpretation of Integrated Spectra of Planetary Nebulae , 1976 .

[9]  D. G. Hummer,et al.  Theory of extended stellar atmospheres. II. A grid of static spherical models for O stars and planetary nebula nuclei. , 1975 .

[10]  B. Webster.  A Survey of Planetary Nebulae towards the Galactic Bulge , 1975 .

[11]  B. Balick.  Observable effects of dust on the ionization of nebulae. , 1975 .

[12]  M. Seaton.  Collision strengths for [N II], [O III], [Ne II], and [Ne III] , 1975 .

[13]  E. G. Buerger.  Abundances and ionization distribution in planetary nebulae. , 1973 .

[14]  L. Aller.  THE CHEMICAL COMPOSITION OF THE INTERSTELLAR MEDIUM * , 1972, Annals of the New York Academy of Sciences.

[15]  J. Kaler.  Excitation of Nebular Spectrum Lines , 1972 .

[16]  J. P. Harrington.  BOWEN FLUORESCENCE MECHANISM IN PLANETARY NEBULAE. , 1972 .

[17]  R. Kirkpatrick.  A Consistent Model of the Planetary Nebula NGC 7662 , 1972 .

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[19]  R. Henry,et al.  PHOTOIONIZATION CROSS-SECTIONS FOR ATOMS AND IONS OF SULFUR. , 1971 .

[20]  George B. Field,et al.  Charge Transfer and Ionization Equilibrium in the Interstellar Medium , 1971 .

[21]  R. Kirkpatrick.  Axially symmetric model planetary nebulae , 1970 .

[22]  S. J. Czyzak,et al.  Excitation of forbidden lines in gaseous nebulae - II. Calculations for 3pq ions , 1970, Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences.

[23]  J. Cassinelli.  Extended Model Atmospheres for Central Stars of Planetary Nebulae , 1970 .

[24]  D. G. Hummer,et al.  Model Atmospheres for the Central Stars of Planetary Nebulae , 1970 .

[25]  R. Henry.  Photoionization Cross-Sections for Atoms and Ions of Carbon, Nitrogen, Oxygen, and Neon , 1970 .

[26]  D. Flower.  The ionization structure of planetary nebulae-VII. The heavy elements , 1969 .

[27]  J. P. Harrington.  Ionization stratification and chemical abundances in the planetary nebula NGC 7662. , 1969 .

[28]  M. Feast.  The Kinematics of Planetary Nebulae in the Magellanic Clouds , 1968 .

[29]  M. Seaton.  The Excitation of Spectrum Lines in Nebulae by Resonant Scattering of Radiation from the Central Stars , 1968 .

[30]  J. P. Harrington.  Ionization Stratification and Thermal Stability in Model Planetary Nebulae , 1968 .

[31]  R. Hjellming.  Physical processes in H II regions. , 1966 .

[32]  Y. Terzian,et al.  Radio Observations of Planetary Nebulae. , 1965 .