%0 Journal Article %A A. S. Ponomarev %A D. P. Timofeev %T Diffusion coefficients in secondary pores of granulated ceolites %J Doklady Akademii Nauk %D 1963 %P 1081-1083 %V 150 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_150_5_a33/ %G ru %F DAN_1963_150_5_a33