AG Fröhlich
DOI: 10.1002/(SICI)1521-3951(199909)215:1<7::AID-PSSB7>3.0.CO;2-3 1998 Nonlinear Optical Spectroscopy of the Two-Order-Parameter Compound YMnO 3 . PHYSICAL REVIEW LETTERS 81 , 3239-3242 (1998) D. Fröhlich [...] AID-PSSB65>3.0.CO;2-1 1997 Nonlinear optical spectroscopy of magnetoelectric and piezomagnetic crystals . FERROELECTRICS 204 , 1 (1997) R. V. Pisarev, M. Fiebig, and D. Fröhlich Proc. of 3rd MEIPIC (1996) [...] Time-Resolved Two-Photon Emission in Cu 2 O . EUROPHYSICS LETTERS 3 , 853 (1987) D. Fröhlich, K. Reimann, and R. Wille DOI: 10.1209/0295-5075/3/7/013 1986 Three-Photon Magnetoabsorption of Excitons in Alkali …