00727nam a2200205Ia 4500 CTU_219099 210402s9999 xx 000 0 und d 333.916 L829 Loftas, Tony The last resource : Man's exploitation of the oceans Tony Loftas Chicago Regnery 1970 The brief mentuion of national investment in marine resources leads to the main theme of the book, which is an attempt to show just what the oceans hold in store for those who turn to them. Tài nguyên biển,Marine resources Trúc Trung tâm Học liệu Trường Đại học Cần Thơ