Showing results 1 to 2 of 2
| Title | Author(s) | Issue Date | |
|---|---|---|---|
Electron temperatures and densities of planetary nebulae determined from the nebular hydrogen recombination spectrum and temperature and density variations Journal:Monthly Notices of the Royal Astronomical Society | 2004 | ||
Optical identification content of the ROSAT all sky survey Journal:The Messenger | 1990 |