Kouraev A. V., Papa F., Buharizin P. I., Cazenave A., Cretaux J.-F., Dozortseva J. and Remy F. (2003) “Ice cover variability in the Caspian and Aral seas from active and passive microwave satellite data”, Polar Research, 22(1), pp. 43-50. doi: 10.3402/polar.v22i1.6442.