[1]
L. M. Lourenço, F. G. Martins, V. R. Balbo, A. C. Pimenta, J. R. M. Castro, and J. F. de Andrade, “Spectrophotometric study of the chromium(III)/azide system in the ultraviolet region and its analytical application”, Eclet. Quim., vol. 31, no. 4, pp. 31–38, Dec. 2006.