TY - RPRT TI - Multi-Dimensional Quantum Tunneling and Transport Using the Density-Gradient Model AU - Biegel, Bryan A. AU - Yu, Zhi-Ping AU - Ancona, Mario AU - Rafferty, Conor AU - Saini, Subhash PY - 1999 UR - https://ntrs.nasa.gov/citations/20020078415 ID - 20020078415 ER -