%0 Journal Article %A E. F. Afanas'ev %A K. L. Grdzelova %A D. V. Plyushchev %T On sources of sound generation in porous media %J Doklady Akademii Nauk %D 1987 %P 554-557 %V 293 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_293_3_a9/ %G ru %F DAN_1987_293_3_a9