Showing results 1 to 2 of 2
| Title | Author(s) | Issue Date | |
|---|---|---|---|
Electron temperatures of planetary nebulae determined from the He I discontinuities Journal:The Astrophysical Journal | 2009 | ||
Monochromatic morphologies of Abell planetary nebulae Journal:Astronomy and Astrophysics Supplement Series | 1999 |