00532nam a2200157Ia 450000500170000000800410001704100080005808200110006610000160007724500540009326400270014730000190017452001610019365000060035465500140036020260914083123.0260914s9999    xx            000 0 und d  aeng  a551.461 aDAY, Trevor10aExploring the Ocean volume 1 : The Physical Ocean  aNew YorkbOxfordc2003  a64 hlm.c26 cm  aExplores various aspects of the world's oceans including currents, tides, weather patterns,   the seafloor, marine life, uses by human and ecological issues 4a0  aGrade 7-9