TY - JOUR AU - Yueming Xu AU - Richard McCray BT - The Astrophysical Journal DA - Jan-07-1991 DO - 10.1086/170180 PY - 1991 EP - 190 T2 - The Astrophysical Journal TI - Energy degradation of fast electrons in hydrogen gas UR - http://adsabs.harvard.edu/full/1991ApJ...375..190X VL - 375 SN - 0004-637X ER -