TY - BOOK AU - Avakyan,A.R. AU - Ավագյան,Ռոբերտ Հովսեփի AU - Avetissyan,A.E. AU - Arutunyan,S. ED - Yerevan Physics Institute TI - Orientational dependence of high energy electron multiple scattering at small angles of incidence to crystal PY - 1987/// CY - Ереван PB - ЦНИИатоминформ KW - Physics ER -