TY - JOUR AU - N. K. Pleskach TI - Quasi-harmonic oscillations of microseismic background in the $1$ -- $5$ c/s range JO - Doklady Akademii Nauk PY - 1977 SP - 558 EP - 561 VL - 232 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_232_3_a13/ LA - ru ID - DAN_1977_232_3_a13 ER -