Classification of Underlying Causes of Power Quality Disturbances: Deterministic versus Statistical Methods. - Math H. J. Bollen; Irene Y. H. Gu; Peter G. V. Axelberg; Emmanouil Styvaktakis (EURASIP J. Adv. Signal Process., 2007)

On tracing flicker sources and classification of voltage disturbances. - Peter G. V. Axelberg (2007)