00563cam a22002054a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000120011810000280013024500580015826000630021630000290027965000220030865000170033065500100034736613AR-SsjUBGM20251206161946.0250720s1942    xxu           000 0 eng d  aAR-SsjUBGMcAR-SsjUBGM0 aeng  axxu  a551.4621 aDaly, Reginald Aldworth14aThe floor of the ocean :bnew light on old mysteries.  aNew York :bThe University of North Carolina Press,c1942.  a177 p. :bil. ;c22,5 cm 4aGeología marina 4aFondo marino 4aLibro