Dominance of outflowing electric currents on decaparsec to kiloparsec scales in extragalactic jetsDimitris M. Christodoulou, Denise C. Gabuzda, Sebastian Knuettel, Ioannis Contopoulos, Demosthenes Kazanas and Colm P. CoughlanA&A, 591 (2016) A61DOI: https://doi.org/10.1051/0004-6361/201527448