@misc{indiciae8e65253e9ed0, title = {A hydrogen-based variable-gain controller for anaerobic digestion processes.}, author = {J Rodríguez and G Ruiz and F Molina and E Roca and J M Lema}, year = {2006}, doi = {10.2166/wst.2006.486}, url = {https://pubmed.ncbi.nlm.nih.gov/16939084/}, note = {Source identifier: 16939084} }