Trivella, A.; Coussan, S.; Chiavassa, T.; Theulé, P.; Manca, C.; Roubin, P. Comparative Study of Structure and Photo-Induced Reactivity of Malonaldehyde and Acetylacetone Isolated in Nitrogen Matrices: Molecular Solids. Fiz. Nizk. Temp. 2006, 32, 1372-1381.