SI units
British Weights And Measures Association
BWMA/British Weights and Measures Association
National Physical Laboratory FAQ on kilogram definition, the need for a new definition, and some alternatives mass kilogram
Platinum-Iridium Kilogram
BIPM's "SI Brochure"
BIPM - SI brochure
The US Metric Association metric
U.S. Metric Association (USMA)
The UK Metric Association
UK metric association
metre-info - an encyclopaedia of all metric units metre info
Metric system and conversion tables (courtesy French property advice) france property and information
Metric system converstion & converter with table / chart conversions
46 page PDF file nist
Cyrillic transcription of SI symbols uni hannover
NTR: SI-Einheiten
A Dictionary of Units of Measurement unc units
Units of Measurement
SI - Its history and use in science and industry
The International System of Units, by Robert A. Nelson
US NIST reference on SI physics nist units
International System of Units from NIST
ISO 1000:1992 ''SI units and recommendations for the use of their multiples and of certain other units'' , with its price tag of 99 Swiss francs for a 22 page, coverless pamphlet showing why the public is sometimes a little slow to pick up on their recommendations.
ISO - International Organization for Standardization
BIPM (SI maintenance agency) (home page)
BIPM - SI
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