TY - JOUR AU - Juri Toomre BT - Bulletin of the American Astronomical Society DA - 1988-01 PY - 1988 SE - 729 T2 - Bulletin of the American Astronomical Society TI - Helioseismology: Theoretical Background and Challenges UR - http://adsabs.harvard.edu/full/1988BAAS...20..729T VL - 20 ER -