XMM-Newton investigations of the Lambda Orionis star-forming region (XILO) - I. The young cluster Collinder 69D. Barrado, B. Stelzer, M. Morales-Calderón, A. Bayo, N. Huélamo, J. R. Stauffer, S. Hodgkin, F. Galindo and E. VerdugoA&A, 526 (2011) A21DOI: https://doi.org/10.1051/0004-6361/201014732
