000 002800000a22001210004500
245 _aThe world market for iron ore
110 _aEconomic Commission for Europe
260 _aNew York
_bU.N.
_c1968
300 _a333 p.
080 _a553.31
_bE3
041 _aEN
942 _cBK
999 _c101986
_d101986