Combined Organic Photovoltaic Cells and Ultra Low Power CMOS Circuit for Indoor Light Energy Harvesting. - Duarte Batista; Luís Bica Oliveira; Nuno Paulino 002; Carlos Carvalho 001; João Pedro Oliveira 003; Joana Farinhas; Ana Charas; Pedro Mendonça dos Santos (Sensors, 2019)

Design of Ultra Low Power CMOS Oscillators Using Active Inductors. - Duarte Batista; Luís B. Oliveira; Igor M. Filanovsky (MWSCAS, 2021)