@article{TUW-256347, author = {le Roux, Johan Derik and Steinb{\"o}ck, Andreas and Kugi, Andreas and Craig, Ian K.}, title = {An EKF observer to estimate semi-autogenous grinding mill hold-ups}, journal = {Journal of Process Control}, year = {2017}, volume = {51}, pages = {27--41}, doi = {10.1016/j.jprocont.2016.12.006} }