Carlo Carlini, Marco Di Girolamo, Mario Marchionna, Marilena Noviello, Anna Maria Raspolli Galletti, Glauco Sbrana, "Selective synthesis of isobutanol by means of the Guerbet reaction: Part 1. Methanol/n-propanol condensation by using copper based catalytic systems", Journal of Molecular Catalysis A: Chemical (2002), vol. 184 nrs. 1-2, blz. 274-280. DOI:10.1016/S1381-1169(02)00007-9.