Publication - Journal Article In situ characterization of the biological performance of a Francis turbine retrofitted with a modular guide vane DOI https://doi.org/10.1016/j.apenergy.2020.115492 Journal Article Applied Energy, vol. 276, pp. 115492, 2020 Authors Jayson J. Martinez, Zhiqun Daniel Deng, Robert Mueller, Scott Titzler Language English