TY - JOUR AU - D. Baade AU - Werner Schmutz AU - M. van Kerkwijk BT - Astronomy and Astrophysics N1 - JILA Pub. 4224 PY - 1990 SP - 105 EP - 115 T2 - Astronomy and Astrophysics TI - Short-term activity in the Gamma(2) Velorum system - The O-type supergiant is a nonradially pulsating star UR - http://articles.adsabs.harvard.edu/full/1990A\%26A...240..105B VL - 240 ER -