TY - JOUR AU - T. Kallman AU - Richard McCray AU - G. Voit BT - The Astrophysical Journal DA - Jan-06-1987 DO - 10.1086/165322 PY - 1987 EP - 746 T2 - The Astrophysical Journal TI - Rapid variability of P Cygni lines in massive X-ray binaries UR - http://adsabs.harvard.edu/full/1987ApJ...317..746K VL - 317 SN - 0004-637X ER -