TY - CONF AU - Hratch Semerjian C2 - Proceedings of the 1st Interamerican Workshop on Metrology in Chemistry, Rio de Janeiro, DA - 1997-12-16 LA - en PB - Proceedings of the 1st Interamerican Workshop on Metrology in Chemistry, Rio de Janeiro, PY - 1997 TI - A Global View of Chemical Metrology: Recent Developments and Basic Concepts ER -