LDR 00567naa#a2200193#i#450# 001 EN\\bibl\80735 005 20241123144114.6 011 ## _a2076-0655 100 ## _a20160925b2016####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aInfluence of impurities in the quartz-feldspar sand glass quality _eJournal article 210 1# _aMoscow _cIndividual Entrepreneur Svetlana Vasilievna Samchenko _d2016 215 ## _a3 с. 608 ## _aJournal article _2local 700 #1 _aMin’ko _gN I 700 #1 _aYakh’ya _gM 700 #1 _aDobrinskaya _gO A 856 4# _atsilicates.ru _u