Photonic sensor systems for the identification of hydrocarbons and crude oils in static and flow conditions - Gil-Rostra J; Quintero-Moreno S; Rico VJ; Yubero F; Sanza FJ; Casquel R; Gallo-Valverde E; Jara-Galán ME; Sanz-Sanz P; Holgado M; González-Elipe AR (Sensors And Actuators B-Chemical, 2021)