TY  JOUR
TI  Iceland spar and birefringent filter (BF) development
KW  birefringent filter
KW  Iceland spar
KW  crystal morphology
KW  optical treatment
KW  solar observations
JO  Solnechno-Zemnaya Fizika
AU  Skomorovsky, V.I.
AU  Kushtal, G.I.
AU  Tokareva (Lopteva), L.S.
PY  2022
IS  8
PB  INFRA-M Academic Publishing LLC.