RT Book, Section SR Electronic(1) A1 United Nations Conference on Trade and Development YR T1 截至2003 年12 月31 日按船籍、国家类别和船舶类型分列的世界 商船队(千载重吨) T2 PB DO 10.18356/ffc3b5b1-zh UL https://www.un-ilibrary.org/content/books/9789213634264s017-c005