| Title: | Integral field spectroscopy of optical recombination lines in the planetary nebula NGC 7009: implications for dual-abundance models |
| Author: | Hwang, Sehyun |
| Department: | Astronomy |
| Subject: |
ISM
abundances planetary nebulae NGC 7009 |
| URI: | http://hdl.handle.net/2152/ETD-UT-2009-08-386 |
| Date: | 2009-08 |