VIM = International Vocabulary of Metrology
The VIM is codified in several related standards, several of which are national standards that republish the VIM.
The VIM is developed and published by the International Bureau of Weights and Measures (BIPM at www.bipm.org)
Link to the VIM online (http://www.bipm.org/utils/common/documents/jcgm/JCGM_200_2008.pdf)