%0 Journal Article %A G. B. Ravich %A Yu. N. Burtsev %T The effect of polymorphism on thermal conductivity %J Doklady Akademii Nauk %D 1961 %P 1155-1157 %V 137 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_137_5_a40/ %G ru %F DAN_1961_137_5_a40