CNO enrichment by rotating AGB stars in globular clusters T. Decressin, C. Charbonnel, L. Siess, A. Palacios, G. Meynet and C. Georgy A&A, 505 2 (2009) 727-733 Published online: 03 August 2009 DOI: 10.1051/0004-6361/200911822