%0 Journal Article %A N. O. Roguleva %T The estimation of pollution and biotoxicity of snow cover in the parks of Samara city %J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ %D 2009 %P 198-206 %N 4 %U http://geodesic.mathdoc.fr/item/VSGU_2009_4_a15/ %G ru %F VSGU_2009_4_a15