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Chemistry and clumpiness in planetary nebulae |
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| Authors: | M. P. Redman S. Viti P. Cau D. A. Williams |
| Affiliation: | Department of Physics &Astronomy, University College London, Gower Street, London WC1E 6BT;Istituto di Fisica dello Spazio Interplanetario, CNR, Via del Fosso Caveliere 100, 00133 Roma, Italy;Observatoire de Paris-Meudon, 92195 Meudon, France;Department of Meteorology, University of Reading, Earley Gate, PO Box 243, Reading RG6 6BB |
| Abstract: | |
| Keywords: | ISM: globules ISM: molecules planetary nebulae: general planetary nebulae: individual: CRL618 planetary nebulae: individual: Helix nebula planetary nebulae: individual: NGC 7027 |