Methane leak detection and spectral analysis by using only optical time domain reflectrometry in semidistributed remote optical sensors. - Claudio Floridia; Felipe Cezar Salgado; João Batista Rosolem; Fábio Renato Bassan; João Paulo Vicentini Fracarolli; Rivael Strobel Penze; Larissa Maria Pereira (IEEE SENSORS, 2016)