1. Bock R (1972) A handbook of decomposition methods in analytical chemistry. Verlag Chemie, Weinheim
2. Dolezal J, Povondra P (1968) Decomposition technique in inorganic analysis. American Elsevier, New York
3. Donaldson E, Wang M (1986) Talanta 33:233
4. Fishkova N, Petrukhin O (1973) Zh Anal Khim 28:645
5. Motooka J, Mosier E (1979) Appl Spectrosc 33:456