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The abundance discrepancy – recombination line versus forbidden line abundances for a northern sample of galactic planetary nebulae |
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| Authors: | R Wesson X-W Liu M J Barlow |
| Institution: | Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT;Department of Astronomy, Peking University, Beijing 100871, China |
| Abstract: | |
| Keywords: | ISM: abundances planetary nebulae: general |