00807naa#a2200217#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200019400126210005100320215001000371608002700381675004500408700003300453700002800486700003600514856003900550EN\INFRA-M\bibl\19312/en/manage/index20241110071304.7##a2500-0497##a20171220b2017####ek#y0engy0150####ca0#aRUS##aRU1#aHistorical aspects of the development of water supply and sanitation systems in the Middle Ages and their impact on the current ecological situation in developing countrieseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a6 с.##aJournal article2local##aВсеобщая история. 94zRUS#1aOrlovgEvgeniy Vladimirovich#1aShipkovgOleg Ivanovich#1aPeregudovgDenis Aleksandrovich4#atest.editorum.ruu/en/manage/index