1. The Solvent Extraction of Metal Chelates;Stary,1964
2. Solvent Extraction in Analytical Chemistry;Morrison,1957
3. Photometric Determination of Traces of Metals, Part 1;Sandell,1978
4. Photometric Determination of Traces of Metals, Part IIA;Onishi,1986
5. Photometric Determination of Traces of Metals, Part IIB;Onishi,1989