Ferreira-Lopes, P.; Rodrigues, M. (2010). Digital Music Instruments: an Approach to Some of its Conceptual Implications in Music and Sonic Art: Practice and Theories Vol. I. International Institute for Advanced Studies in System Research and Cybernetics. Canada. 2010. ISBN 978-1-897233-80-1
Ferereira-Lopes, P.; Rodrigues, M. (2011). Compreender o instrumento musical digital: novos sons, novas técnicas, diferentes performances. Proceedings of Performa'11 Conference on performance studies. Aveiro. 2011
Rodrigues, M.; Ferreira-Lopes, P. (2012). Intonaspacio: os Primeiros Esboços de um Instrumento Situado. Proceedings of Artech 2012, Faro, Portugal.
Rodrigues, M.; Wanderley, M.; Ferreira-Lopes, P. (2013). Intonaspacio: A digital Musical Instrument for Exploring Site-Specificities in Sound. Prooceedings of the International Symposium on Computer Music Multidisciplinary Research - Sound, Music and Motion. Marseille, France, October 2013.