@article{articleecf9b461, title = {Machine learning-based ultrasonic sensing of glycerol in direct fuel cells}, author = {Ginja,^Gabriel^Augusto and Queiroz, Alvaro Antonio Alencar de and Carmo, João Paulo Pereira do}, year = {2026}, doi = {10.1109/JSEN.2025.3638022}, journal = {IEEE Sensors Journal} }