%0 Conference Paper %D 2019 %T Unravelling the complex behavior of Mrk421 with simultaneous X-ray and VHE observations during an extreme flaring activity in April 2013 %A Babic, A. %A Hassan, T. %A Paneque, D. %A Balokovic, M. %A Finke, J. %A Petropoulou, M. %V 36 %P 624 %8 2019/07/1 %G eng %U https://ui.adsabs.harvard.edu/abs/2019ICRC...36..624B %! 36th International Cosmic Ray Conference (ICRC2019)