00694naa#a2200193#i#4500001001500000005001700015011001400032100004100046102000700087200009300094210012500187215001000312606003200322608002700354700003400381700003100415700003200446856002200478EN\\bibl\3639920240506155853.1##a2686-9896##a20200605b2020####ek#y0engy0150####ca##aRU1#aDETERMINATION OF THE COEFFICIENT OF EFFICIENCY OF BRIGHTENING ADDITIVESeJournal article1#aAngarskcFederal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»d2020##a1 с.##aХимия. 04.03.012local##aJournal article2local#1aSosnovskayagNina Gennad'evna#1aMihaylovagAlena Sergeevna#1aCyrenovagOl'ga Anatol'evna4#aangtu.editorum.ru