TY - RPRT TI - Saddle-point electrons in ionizing ion-atom collisions. AU - RE Olson AU - TJ Gay AU - HG Berry AU - EB Hale AU - VD Irby PY - 1987 DO - 10.1103/physrevlett.59.36 UR - https://pubmed.ncbi.nlm.nih.gov/10035096/ ID - 10035096 ER -