00521nam a2200181Ia 4500 CTU_107343 210402s9999 xx 000 0 und d 338.43 C244 Capital investments of the world petroleum industry Richard C. Sparling edited by New York Chase Manhattan Bank 1967 Petroleum industry and trade Finance Tuyến Trung tâm Học liệu Trường Đại học Cần Thơ