TY - JOUR AU - K.-H. Böhm AU - J. Cassinelli BT - Astronomy and Astrophysics N1 - JILA Pub. 735 PY - 1971 SE - 21 SP - 21 EP - 27 T2 - Astronomy and Astrophysics TI - Convective Envelopes and Acoustic Noise Generation in White Dwarfs UR - http://adsabs.harvard.edu/full/1971A\%26A....12...21B VL - 12 ER -