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20042006
most citedNew results on the time variation of the radial abundance gradients from planetary nebulae

44 citations · 79 across the 2 of their papers we have counts for

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astro-ph2005

Planetary Nebulae as a Chemical Evolution Tool: Abundance Gradients

W. J. Maciel, L. G. Lago, R. D. D. Costa

We have studied the time variation of the radial abundance gradients using samples of planetary nebulae, open clusters, cepheids and other young objects. Based on the analysis of O…