1. Analytical rocedures—Uranium and Thorium in Water, ACW03, version 1.7, Eichrom Technologies, 2001.
2. DOE EML Procedures Manual HASL-300, 1997, vol. 1, p. 28.
3. ISO 9696: Water Quality: Measurement of Gross Alpha Activity in Non-Saline Water, Thick Source Method, Geneva (Switzerland): Int. Standardization Organization, 2007.
4. ISO 9697: Water quality: Measurement of Gross Beta Activity in Non-Saline Water, Thick Source Method, Geneva (Switzerland): Int. Standardization Organization, 2008.
5. Operta, M. and Hyseni, S., Int. J. Water. Res., 2013, vol. 1, no. 1, pp. 25–29.