451 20220916135823.0 10.1088/2041-8205/749/1/L16 DOI SIDCimport-515 Dolla, L. 2012 Time delays in quasi-periodic pulsations observed during the X2.2 solar flare on 2011 February 15 STCE Marqué, C. Seaton, D.B. Van Doorsseleare, T. Dominique, M. Berghmans, D. Cabanas Parada, C. De Groof, A. Schmutz, W. Verdini, A. West, M. Zender, J. Zhukov, A.N. Astrophysical Journal 749 2012 L16 http://iopscience.iop.org/2041-8205/749/1/L16/ published in REFERD