Carvalho, D. de S., de Oliveira, L. G., Winter, E. and Mothé, C. G. (2009) “Technological Foresight Based on Citing and Cited Patents of Cellulose with Pharmaceutical Aplications”., Journal of Technology Management & Innovation. Santiago, Chile, 4(4), pp. 32–41. doi: 10.4067/S0718-27242009000400003.