The physical geography of northern Eurasia / edited by Maria Shahgedanova. - Oxford [a. o.] : Oxford University Press, 2008. - XXII, 571 p.: ill., map. - ( Oxford regional environments ) . URL: http://www.loc.gov/catdir/toc/fy038/2002067104.html. URL: http://www.loc.gov/catdir/enhancements/fy0613/2002067104-d.html