TY - JOUR AU - Winchester, Michael AU - Kelly, William AU - Mann, Jacqueline AU - Guthrie, William AU - MacDonald, Bruce AU - Turk, Gregory C2 - Fresenius Journal of Analytical Chemistry DA - 2001-06-01 LA - en M1 - 370 PB - Fresenius Journal of Analytical Chemistry PY - 2001 TI - An alternative method for the certification of the sulfur mass fraction in coal Standard Reference Materials ER -