TY - JOUR AU - A. I. Kondrashov AU - N. N. Petrov TI - The energy spectrum of electron emission by a single $\mathrm{KCl}$ crystal bombarded by helium ions JO - Doklady Akademii Nauk PY - 1967 SP - 67 EP - 69 VL - 173 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_173_1_a17/ LA - ru ID - DAN_1967_173_1_a17 ER -