TY - JOUR T1 - The vast population of Wolf-Rayet and red supergiant stars in M101. I. motivation and first results JO - Astronomical Journal PY - 2013/12/01 AU - Shara MM AU - Bibby JL AU - Zurek D AU - Crowther PA AU - Moffat AFJ AU - Drissen L ED - DO - DOI: 10.1088/0004-6256/146/6/162 VL - 146 IS - 6 Y2 - 2024/12/23 ER -