9Reshetnikov A N, Chibilev E A. Distribution of the Fish Rotan(Perccottus glenii Dybowski, 1877) in the Irtysh River Basin and Analysis of Possible Consequences for Environment and People [J] . Contemporary Problems of Ecology, 2009, 2(3): 224-228.
10Zbyn k Hrkal, Alain Gadalia, Pierre Rigaudiere . Will the river Irtysh survive the year 2030? Impact of long-term unsuitable land use and water management of the upper stretch of the river catchment (North Kazakh- stan)[J]. Environ. Geol. , 2006, 50: 717-723.