TY - JOUR AU - Richard McCray AU - M. Kafatos BT - The Astrophysical Journal DA - Jan-06-1987 DO - 10.1086/165267 PY - 1987 EP - 190 T2 - The Astrophysical Journal TI - Supershells and propagating star formation UR - http://articles.adsabs.harvard.edu/full/1987ApJ...317..190M VL - 317 SN - 0004-637X ER -