1. D.L. Tsalev, Z.K. Zaprianov, H, Cadmium, in Atomic Absorption Spectrometry in Occupational and Environmental Practice, Analytical Aspects and Health Significance, vol. 1, CRC Press, Inc., USA, 1983, pp. 105–112, (Chapter 2)
2. Cadmium: toxicology and analysis. A review
3. J. Ladrón de Guevara, V. Moya Pueyo, Cadmio y sus compuestos, in Toxicologı́a Clı́nica, Médica y Laboral, McGraw-Hill Interamericana, España, 1995, pp. 161–167 (Capı́tulo 31).
4. E.J. Underwood, Cadmium, in Trace Elements in Human and Animal Nutrition, fourth ed., Academic Press Inc., London, pp. 243–257 (Chapter 9).
5. Accuracy of the direct determination of cadmium in urine by carbon-furnace atomic-absorption spectrometry