@article{66361,
  author = {Michael Winchester and William Kelly and Jacqueline Mann and William Guthrie and Bruce MacDonald and Gregory Turk},
  title = {An alternative method for the certification of the sulfur mass fraction in coal Standard Reference Materials},
  year = {2001},
  number = {370},
  month = {2001-06-01},
  publisher = {Fresenius Journal of Analytical Chemistry},
  language = {en},
}