TY - CONF AU - Fellmuth, B AU - Head, D AU - Pavese, F AU - Szmyrka-Grzebyk, A AU - Tew, Weston C2 - International Sympoisum on Temperature and Thermal Measurements in Industry and Science | 8th | | VDE, Berlin, 1, GE DA - 2001-06-01 00:06:00 LA - en PB - International Sympoisum on Temperature and Thermal Measurements in Industry and Science | 8th | | VDE, Berlin, 1, GE PY - 2001 TI - Special Problems When Realising the Triple Point of Hydrogen as a Defining Fixed Point of the ITS-90 UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=830758 ER -