TY - JOUR AU - D. Leahy AU - J. Nousek AU - Andrew Hamilton BT - The Astrophysical Journal DA - 06/1991 DO - 10.1086/170111 PY - 1991 EP - 218 T2 - The Astrophysical Journal TI - HEAO 1 A-2 low-energy detector X-ray spectra of the Lupus Loop and SN 1006 UR - http://adsabs.harvard.edu/full/1991ApJ...374..218L VL - 374 SN - 0004-637X ER -