RT Book, Section SR Electronic(1) A1 United Nations YR 2006 T1 Production, trade and consumption of coke T2 Energy Statistics Yearbook 2004 PB United Nations SN 9789211559606 DO 10.18356/edd2ebea-en-fr UL https://www.un-ilibrary.org/content/books/9789211559606s009-c005