TY - JOUR AU - Gl. S. Zhdanov AU - V. N. Vertsner TI - The use of ceolites to reduce hydrocarbonic contaminations in electron microscopes JO - Doklady Akademii Nauk PY - 1965 SP - 865 EP - 867 VL - 163 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a20/ LA - ru ID - DAN_1965_163_4_a20 ER -