00521naa#a2200157#i#4500001001500000005001700015011001400032100004100046102000700087200013800094210004600232215001000278608002700288700003400315856001400349EN\\bibl\7594420241212190059.4##a2542-1840##a20240314b2024####ek#y0engy0150####ca##aRU1#aCalculating Costs of Engineering Obstacle Installations  as Part of Engineering and Technical Protection DisciplineseJournal article1#aKemerovocKemerovo State Universityd2024##a5 с.##aJournal article2local#1aGavrishevgAleksey Andreevich4#azh-szf.ru