TY - JOUR AU - Beebe, J AU - Kim, BongSoo AU - John, AU - Frisbie, C AU - Kushmerick, James C2 - Physical Review Letters DA - 2006-07-01 LA - en M1 - 97 PB - Physical Review Letters PY - 2006 TI - Transition From Direct Tunneling to Field Emission in Metal-Molecule-Metal Junctions ER -