TY - JOUR AU - Sydney Geltman BT - The Astrophysical Journal DA - Jan-09-1962 DO - 10.1086/147447 PY - 1962 EP - 935 T2 - The Astrophysical Journal TI - That Bound-Free Absorption Coefficient of the Hydrogen Negative Ion. UR - http://adsabs.harvard.edu/full/1962ApJ...136..935G VL - 136 SN - 0004-637X ER -