1015 20160222141723.0 SIDCimport-1222 Dolla, L. 2012 2012-xx-xx Time delays in quasi-periodic pulsations observed during the X2.2 solar flare on 2011 February 15 STCE Marqué, C. Berghmans, D. Cabanas Parada, C. Dominique, M. De Groof, A. Seaton, D.B. Van Doorsseleare, T. Verdini, A. West, M. Zender, J. Zhukov, A.N. Centrum voor Plasma-Astrofysica, Department of Mathematics, KULeuven SEMIN