@article{103862, url = {http://digitallibrary.un.org/record/103862}, title = {Market trends and prospects : ECE chemical market data sheet : production of selected olefins : statistical tables.}, publisher = {UN,}, recid = {103862}, pages = {16 p. :}, address = {Geneva :. 1984-05-25}, year = {1984}, month = {May}, }