Ekrem Gursoy Ekrem Gursoy Dagmar Niebur On-line Estimation of Electric Power System Active Loads. 1689-1694 2006 IJCNN https://doi.org/10.1109/IJCNN.2006.246638 conf/ijcnn/2006 db/conf/ijcnn/ijcnn2006.html#GursoyN06 Dagmar Niebur