Opportunities for Two-Color Experiments in the Soft X-ray Regime at the European XFEL oleh Svitozar Serkez, Winfried Decking, Lars Froehlich, Natalia Gerasimova, Jan Grünert, Marc Guetg, Marko Huttula, Suren Karabekyan, Andreas Koch, Vitali Kocharyan, Yauhen Kot, Edwin Kukk, Joakim Laksman, Pavel Lytaev, Theophilos Maltezopoulos, Tommaso Mazza, Michael Meyer, Evgeni Saldin, Evgeny Schneidmiller, Matthias Scholz, Sergey Tomin, Maurizio Vannoni, Torsten Wohlenberg, Mikhail Yurkov, Igor Zagorodnov, Gianluca Geloni