TY - RPRT TI - Focused electron emission from planar quantum point contacts. AU - De Raedt H AU - N Garca AU - JJ Sáenz PY - 1989 DO - 10.1103/physrevlett.63.2260 UR - https://pubmed.ncbi.nlm.nih.gov/10040841/ ID - 10040841 ER -