Zeitschriftenartikel
Leka, K. D.; Barnes, G.; Birch, A. C.; Gonzalez-Hernandez, I.; Dunn, T.; Javornik, B.; Braun, D. C.: Helioseismology of Pre-emerging Active Regions. I. Overview, Data, and Target Selection Criteria. Astrophysical Journal
762 (2), 130 (2013)