TY - JOUR A1 - Schmidt, Frank A1 - Gottschling, K. T1 - Improved Method of Mode Determination in Planar Optical Waveguides Using Line Transmission Approach JF - J. Opt. Commun. Y1 - 1992 VL - 12 IS - 3 SP - 112 EP - 114 ER - TY - JOUR A1 - Blome, Mark A1 - Maurer, H R A1 - Schmidt, K. T1 - Advances in three-dimensional geoelectric forward solver techniques JF - Geophysical Journal International Y1 - 2009 U6 - https://doi.org/10.1111/j.1365-246X.2008.04006.x VL - 176 IS - 3 SP - 740 EP - 752 ER -