Schlittler, L. A. F. S., A. M. de Souza Antunes, and N. Pereira Junior. “Use of Patent Applications As a Tool for Technology Development Prospection on the Ethanol Production Chain from Lignocellulosic Biomasses in Brazil”. Journal of Technology Management & Innovation, vol. 7, no. 3, Sept. 2012, pp. 80-90, doi:10.4067/S0718-27242012000300008.