APA (7th ed.) Citation
(2026). Hierarchical Estimation–Based Observer Method for Robust Oxygen Excess Ratio Control in PEM Fuel Cell Systems. IET Control Theory & Applications.
Chicago Style (17th ed.) Citation
"Hierarchical Estimation–Based Observer Method for Robust Oxygen Excess Ratio Control in PEM Fuel Cell Systems." IET Control Theory & Applications 2026.
MLA (9th ed.) Citation
"Hierarchical Estimation–Based Observer Method for Robust Oxygen Excess Ratio Control in PEM Fuel Cell Systems." IET Control Theory & Applications, 2026.
Warning: These citations may not always be 100% accurate.