TY - JOUR AU - Billy Mangum AU - P Bloembergen AU - M Chattle AU - B Fellmuth AU - P Marcarino AU - A Pokhodun C2 - Metrologia DA - 1999-01-01 LA - en M1 - 36 PB - Metrologia PY - 1999 TI - On the International Temperature Scale of 1990 (ITS-90), Part II: Recommended Techniques for Comparisons, at the Highest Level of Accuracy, of Fixed-Point Cells Used for Contact Thermometry ER -