00487cam a22002054a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000110011810000260012924500170015526000320017230000270020465000230023165000170025465500100027136415AR-SsjUBGM20251206161927.0250720s1936 xxk 000 0 eng d aAR-SsjUBGMcAR-SsjUBGM0 aeng axxk a550.341 aHeck, Nicholas Hunter10aEarthquakes. aLondon :bPrinceton,c1936. a222 p. :bil. ;c23 cm 4aFísica del globo 4aSismología 4aLibro