Mid-infrared imaging and spectroscopy of the enigmatic cocoon stars in the Quintuplet ClusterA. Moneti, S. Stolovy, J. A. D. L. Blommaert, D. F. Figer and F. NajarroA&A, 366 1 (2001) 106-120DOI: https://doi.org/10.1051/0004-6361:20000192