de Oliveira, J. D. S.; Fertonani, F. L.; Melios, C. B.; Ionashiro, M. Thermal Behaviour Studies of Solid State Compounds of Cinnamylidenepyruvate With Trivalent Lanthanides and Yttrium (III) in an Atmosphere of CO2. Eclet. Quim. 2002, 27, 11-19.