00609naa#a2200193#i#450# EN\\bibl\76839 20260220004725.5 1819-4036 20120225b2012####ek#y0engy0150####ca RUS RU MONITORING OF THE SURFACE WATER ECOLOGICAL CONDITION ON THE EXAMPLE OF THE ISHIM RIVER ON THE REPUBLIC KAZAKHSTAN TERRITORY Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2012 4 с. Journal article local . 557.4 RUS Kobetaeva N K Badmaeva S E sej.kgau.ru