TY  - JOUR
AU  - Yu. M. Vorona
AU  - V. N. Vertsner
TI  - An electromagnetic lens with double focusing used to obtain electron diffraction micropatterns
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 61
EP  - 62
VL  - 165
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_165_1_a16/
LA  - ru
ID  - DAN_1965_165_1_a16
ER  -