@article{218, author = {D. Braun and C. Lindsey}, title = {Helioseismic Holography of Active-Region Subphotospheres \textendash (Invited Review)}, year = {2000}, journal = {Solar Physics}, volume = {192}, pages = {285-305}, month = {Jan-01-2000}, issn = {00380938}, url = {http://link.springer.com/10.1023/A:1005287419566}, doi = {10.1023/A:1005287419566}, }