@article{68446,
  author = {William Kelly and L. Barker},
  title = {Determination of Sulfur in Biodiesel and Petroleum Diesel by X-Ray Fluorescence (XRF) Using the Gravimetric Standard Addition Method-II},
  year = {2007},
  number = {22},
  month = {2007-10-01},
  publisher = {Energy and Fuels},
  language = {en},
}