00519cam a22001934a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000110011811000430012924500400017226000590021230000270027165000170029865500100031536423AR-SsjUBGM20251206161928.0250720s1933    xxu           000 0 eng d  aAR-SsjUBGMcAR-SsjUBGM0 aeng  axxu  a550.342 aThe subsidiary Committee on Seismology10aPhysics of the earth :bseismology.  aWashington :bThe National Academy of Sciences,c1933.  a223 p. :bil. ;c24 cm 4aSismología 4aLibro