TY - CPAPER AU - J. Yokogawa AU - K. Koyama AU - Y. Maeda AU - S. Skinner CY - Puerto Vallarta, Mexico N1 - JILA Pub. 6304 PB - San Francisco, Calif. : Astronomical Society of the Pacific PP - Puerto Vallarta, Mexico PY - 1999 TI - X-ray evidence for wind-wind collision in the Wolf-Rayet binary V444 Cygni UR - http://adsabs.harvard.edu/full/1999IAUS..193..398Y ER -