00479 a2200157 4500082001700000100002700017245003000044260007000074300002000144440003500164650001900199650001900218650001600237650003400253650003400287 a551.461bWIC aWickremaratne, Shanthi a The oceans in our future aColombobNatural Resources Energy & Science Authorityc1984g1984 a[vi],95p.c21cm aScience education series No.22 aEarth sciences aAtlantic ocean aHydrosphere aGeomorphology and hydrosphere aGeology,hydrology,meteorology