TY JOUR TI Commercial narrowband Fabry-Perot solar filters, methods and instruments for their examination KW Fabry-Perot filter KW solar telescope KW spectral measurements JO Solnechno-Zemnaya Fizika AU Skomorovsky, V.I. AU Kushtal, G.I. AU Tokareva (Lopteva), L.S. AU Proshin, V.A. AU Tsayukova, A.G. PY 2015 IS 1 PB INFRA-M Academic Publishing LLC.