@article{JRC12337, address = {}, year = {1996}, author = {De Bievre P}, abstract = {Abstract not available }, title = {Ultra-High Accurary Isotopic Measurements : Avogadro's Constant is up !}, type = {}, url = {}, volume = {}, number = {}, journal = {Journal of the Royal Society of Western Australia}, pages = {}, issn = {}, publisher = {}, doi = {} }