%0 Journal Article %A A. V. Guglielmi %A A. N. Kamshilin %A E. N. Volkova %A E. B. Chirkov %T Seismovibrational excitation of geoelectric signals at combination frequencies %J Doklady Akademii Nauk %D 1989 %P 575-578 %V 309 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_309_3_a13/ %G ru %F DAN_1989_309_3_a13