Indoor/outdoor management system compliant with Google Maps and Android® OS. - Ludimar Guenda; Luís Brás; Marco Oliveira; Nuno Borges Carvalho (EUROCON, 2011)

Electromagnetic geo-referenced footprints for energy harvesting systems. - Ludimar Guenda; Ana Collado; Nuno Borges Carvalho; Apostolos Georgiadis; Kyriaki Niotaki (RWS, 2012)

Electromagnetic energy harvesting - global information database. - Ludimar Guenda; Emanuel Santana; Ana Collado; Kyriaki Niotaki; Nuno Borges Carvalho; Apostolos Georgiadis (Trans. Emerg. Telecommun. Technol., 2014)