Caetano N., Silva V., Martins A.A., Mata T.M.; Teresa M. Mata. 2014. "A biorefinery based on spent coffee grounds: a waste to chemicals and energy solution". Trabalho apresentado em Proceedings of the 12th International Chemical and Biological Engineering Conference, 10-12 Sep 2014, Porto, Portugal. ISBN: ISBN: 978-972-752-170-8, Portugal.
Proceedings article published in 2014 by
Antonio Augusto Areosa Martins 
