1. Raparthi, S., Arunachalam, J., Radha Krishna, G., Ravindra, H.R., and Gopalan, B., J. Nucl. Mater., 2005, vol. 340, nos. 2–3, p. 284.
2. Raparthi, S., Arunachalam, J., Das, N., and Srirama Murthy, A.M., Talanta, 2005, vol. 65, no. 5, p. 1270.
3. Balarama Krishna, M.V., Shekhar, R., Karunasagar, D., and Arunachalam, J., Anal. Chim. Acta, 2000, vol. 408, nos. 1–2, p. 199.
4. Betti, M. and Aldave De Las Heras, L., Spectrochim. Acta B, 2004, vol. 59, no. 9, p. 1359.
5. Ganeev, A.A., Kuz’menkov, M.A., Potapov, S.V., Drobyshev, A.I., and Voronov, M.V., Mass-Spektrometriya, 2005, vol. 2, p. 297.