| Reference |
B. Broers, L.D. Noordam and H.B. van Linden van den Heuvell: Diffraction and focussing of spectral energy in a two-photon process In: Ultrafast Phenomena VIII : Proceedings of the 8th International Conference, Antibes Juan-les-Pins, France, June 8-12, 1992 /ed. J.-L. Martin, A. Migus, G.A. Mourou and A.H. Zewail, Cham: Springer, 1993. - pp. 309-310 |
