%0 Journal Article %A G. A. Sobolev %A V. M. Demin %T Electromagnetic radiation and acoustic emission kinetics as precursor of block contact instability %J Doklady Akademii Nauk %D 1988 %P 834-837 %V 303 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_303_4_a15/ %G ru %F DAN_1988_303_4_a15