R. B.  Mane, Hengne, A. M., Ghalwadkar, A. A., Vijayanand, S., Mohite, P. H., Potdar, H. S., and Rode, C. V., ?Cu:Al Nano catalyst for selective hydrogenolysis of glycerol to 1,2-propanediol?, Catalysis Letters, vol. 135, no. 1-2, pp. 141-147, 2010.