1. Section 7500-3H B. Liquid scintillation spectrometric method,1995
2. Environmental Isotopes in Hydrogeology;Clark,1997
3. Limits for qualitative detection and quantitative determination;Currie;Application to Radiochemistry. Analytical Chemistry,1968
4. Uncertainity assessment of environmental tritium measurement in water;Gröning;Accreditation and Quality Assurance,2003
5. ISO 9698, 1989. Water Quality—determination of tritium activity concentration—liquid scintillation counting method.