Observing the Ultrafast Buildup of a Fano Resonance In the Time Domain - Kaldun, Andreas; Blättermann, Alexander; Stooß, Veit; Donsa, Stefan; Wei, He; Pazourek, Renate; Nagele, Stefan; Ott, Christian; Lin, Chii-Dong; Burgdörfer, Joachim; others (Science, 2016)