de Siqueira, A. B., de Carvalho, C. T., Ionashiro, E. Y. and Ionashiro, M. (2009) “Synthesis, characterization and thermal behaviour on solid pyruvates of some bivalent metal ions”, Eclética Química, 34(2), pp. 15–21. doi: 10.26850/1678-4618eqj.v34.2.2009.p15-21.