00289nam a2200109Ia 450000500170000000800410001708200170005810000220007524500410009726000310013830000100016920260205050335.0260111s9999||||xx |||||||||||||| ||und||  a551.46  UM5S  aUmmerkutty, A N P 0aScience of the oceans and human life  aDelhibNational Bookc1985  a115p.