1. International Vocabulary of Metrology - Basic and General Concepts and Associated Terms (VIM),2008
2. Uncertainty of Measurement Part 3: Guide to the Expression of Uncertainty in Measurement (GUM: 1995),2008
3. Measurement Good Practice Guide No. 11 (Issue 2), A Beginners Guide to Uncertainty of Measurement;Bell,2001
4. Experimentation, Validation, and Uncertainty Analysis for Engineers;Coleman,2009
5. Medição de Caudal em Sistemas de Abastecimento de Água e de Saneamento de Águas Residuais (in Portuguese);Henriques,2007