Axisymmetric structure of the planetary nebulae He2-437, M1-92

Constrained Inverse Volume Rendering for Planetary Nebulae

PDF) Planetary Nebulae in the Solar Neighbourhood: Statistics, Distance Scale and Luminosity Function

PDF) Constrained Inverse Volume Rendering for Planetary Nebulae

Planetary nebulae in distant galaxies

PDF] Chemical abundances for Hf 2-2, a planetary nebula with the strongest-known heavy-element recombination lines

Small-scale structures in planetary nebulae

2MASS Atlas Image Gallery

H II region - Wikipedia

PDF) Planetary Nebulae in the Solar Neighbourhood: Statistics, Distance Scale and Luminosity Function

Small-scale structures in planetary nebulae

File:Planetary Nebula M2-9.jpg - Wikipedia

CIVR modeling results for the planetary nebulae He2-437 (top) and M1-92

PDF) Planetary Nebulae in the Solar Neighbourhood: Statistics, Distance Scale and Luminosity Function

PDF) Planetary Nebulae in the Solar Neighbourhood: Statistics, Distance Scale and Luminosity Function