1. Handbuch der Spurenanalyse, Teil 1;Koch,1974
2. Cadmium in the Environment;Friberg,1974
3. Photometric Determination of Traces of Metals, General Aspects of Part I of Colorimetric Determination of Traces of Metals;Sandell,1978
4. Calorimetric Determination of Traces of Metals;Sandell,1959
5. Cadmium Toxicity;Smiley,1979