00540naa#a2200205#i#450# EN\\bibl\102091 20250906155006.6 2588-0209 20210825b2021####ek#y0engy0150####ca RU SOME ISSUES OF THE IMPACT OF WASTE WATER ON MAN-GENERAL SAFETY AND ENVIRONMENT IN KALMYKIA Journal article Moscow Electronic science 2021 0 с. Journal article local stolypinvestnik.ru