1 B.. Yang, K.J. Schafer, B.C. Walker, K.. Kulander, L.F. DeMauro, and P.. Agostini, in (Polska Akademia Nauk, Warszawa, Poland, Szczyrk, Poland, 1994).
1 B.C. Walker, B.. Sheehy, L.F. DeMauro, P.. Agostini, K.J. Schafer, and K.. Kulander, Physical Review Letters 73, (1994).
1 B.. Yang, K.J. Schafer, B.C. Walker, K.. Kulander, P.. Agostini, and L.F. DeMauro, Physical Review Letters 71, (1993).
1 D.C. Yost, T.R. Schibli, J.. Ye, J.L. Tate, J.. Hostetter, M.. Gaarde, and K.J. Schafer, Nature Physics 5, (2009).