Analysis of two-color photoelectron spectroscopy for attosecond metrology at seeded free-electron lasers oleh P K Maroju, C Grazioli, M Di Fraia, M Moioli, D Ertel, H Ahmadi, O Plekan, P Finetti, E Allaria, L Giannessi, G De Ninno, S Spampinati, A A Lutman, R J Squibb, R Feifel, P Carpeggiani, M Reduzzi, T Mazza, M Meyer, S Bengtsson, N Ibrakovic, E R Simpson, J Mauritsson, T Csizmadia, M Dumergue, S Kühn, N G Harshitha, D You, K Ueda, M Labeye, J E Bækhøj, K J Schafer, E V Gryzlova, A N Grum-Grzhimailo, K C Prince, C Callegari, G Sansone