TY - JOUR
AU - M. Donahue
AU - J. Shull
BT - The Astrophysical Journal
DA - Jan-12-1987
DO - 10.1086/185048
PY - 1987
EP - L13
T2 - The Astrophysical Journal
TI - Can quasars ionize the intergalactic medium?
UR - http://adsabs.harvard.edu/full/1987ApJ...323L..13D
VL - 323
SN - 0004-637X
ER -