%0 Journal Article %A B. N. Ryzenko %T Dissociation constant values of carbonic acid at elevated temperatures %J Doklady Akademii Nauk %D 1963 %P 639-641 %V 149 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_149_3_a41/ %G ru %F DAN_1963_149_3_a41