TY - JOUR AU - Raman Prinja AU - I. Howarth AU - H. Henrichs BT - The Astrophysical Journal DA - Jan-06-1987 DO - 10.1086/165285 PY - 1987 EP - 389 T2 - The Astrophysical Journal TI - Ultraviolet observations of extensive variability in the stellar wind of XI Persei UR - http://articles.adsabs.harvard.edu/full/1987ApJ...317..389P VL - 317 SN - 0004-637X ER -