00830naa#a2200217#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200007500126210005100201215001100252608002700263675017800290700003500468700002900503700004100532856003900573EN\INFRA-M\bibl\45905/en/manage/index20241115175108.5##a2500-0535##a20220325b2022####ek#y0engy0150####ca0#aENG##aRU1#aIceland spar and birefringent filter (BF) developmenteJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2022##a15 с.##aJournal article2local##aИнструменты, приборы и методы астрономических наблюдений, измерений и анализа. 520aОптика. 535zENG#1aSkomorovskygValery Iosifovich#1aKushtalgGalina Ivanovna#1aTokareva (Lopteva)gLyubov Sergeevna4#atest.editorum.ruu/en/manage/index