TY - JOUR AU - J. Dove AU - J. Shull BT - The Astrophysical Journal DA - Jan-03-1994 DO - 10.1086/173799 PY - 1994 EP - 196 T2 - The Astrophysical Journal TI - Photoionization of disk galaxies: an explanation of the sharp edges in the H I distribution UR - http://articles.adsabs.harvard.edu/full/1994ApJ...423..196D VL - 423 SN - 0004-637X ER -