books.google.co.uk - The International Bureau of Weights and Measures (BIPM) is currently implementing the greatest change ever in the world's system of weights and measures -- it is redefining the kilogram, the final artefact standard, and reorganizing the system of international units. This book tells the inside story...http://books.google.co.uk/books/about/From_Artefacts_to_Atoms.html?id=jlM907kFhcgC&utm_source=gb-gplus-shareFrom Artefacts to Atoms
