TY - JOUR AU - D. Braun AU - C. Lindsey BT - Solar Physics DA - Jan-01-2000 DO - 10.1023/A:1005287419566 PY - 2000 SP - 285 EP - 305 T2 - Solar Physics TI - Helioseismic Holography of Active-Region Subphotospheres \textendash (Invited Review) UR - http://link.springer.com/10.1023/A:1005287419566 VL - 192 SN - 00380938 ER -