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| | Williams College Faculty Publications and Presentations (Site not responding. Last check: 2007-10-08) |
 | | Kwitter, Karen B. and R.B.C. Henry "A New Look at Carbon Abundances in Planetary Nebulae in the Globular Clusters Pal 6 and NGC 6441," Astronomical Journal 493, 1998, p. |
 | | Jacoby, G.H., J. Morse, L.K. Fullton, Kwitter, Karen B., and R.B.C. Henry " Planetary Nebulae in the Globular Clusters Pal 6 and NGC 641," Astrophysics Journal 114, 1998, p. |
 | | DDDM1, IC 3568, IC 4593, NGC 6210, NGC 6720, NGC 5826, and NGC 7009," Astrophys. |
| www.williams.edu /admin/news/facpubs.php?year=1998 (2578 words) |
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