Ullrich, B., Zhang, C., & Klitzing, K. V. (1989). Photoresponse in a sawtooth doping superlattice. Physica Scripta, 39(1), 115-119. doi:10.1088/0031-8949/39/1/019
Ullrich, B., Zhang, C., & Klitzing, K. V. (1989). Photoresponse in a sawtooth doping superlattice. Physica Scripta, 39(1), 115-119. doi:10.1088/0031-8949/39/1/019