TY - JOUR AU - S. Kraut AU - N. Nuttall AU - Dana Anderson BT - Applied Physics B: Lasers and Optics DA - 1999-05 DO - 10.1007/s003400050727 PY - 1999 SP - 937 EP - 945 T2 - Applied Physics B: Lasers and Optics TI - Photorefractive two-beam coupling equations with multiple spatial-temporal features: an SVD approach VL - 68 SN - 0946-2171 ER -