The International System of Units (SI)
BIPM – The International System of Units (SI) – 8th edition 2006
NIST – Guide for the Use of the International System of Units (SI)
Measurement uncertainty evaluation
BIPM – Guide to the Expression of Uncertainty in Measurement (GUM) – 2008 edition
Vocabulary used in Metrology
BIPM – International Vocabulary of Metrology – Basic and General Concepts and Associated Terms VIM, 3rd edition – 2012 edition
Legal Metrology
OIML – R80-1 Road and rail tankers with level gauging – 2009 edition
OIML – R81 Dynamic measuring devices and systems for cryogenic liquids – 1998 edition
OIML – R117-1 Dynamic measuring systems for liquids other than water – 2007 edition
OIML – R137-1 Gas meters – 2006 edition