Magnetic Field Structure in Relativistic JetsHelen Jermak, Carole Mundell, Iain Steele, Richard Harrison, Shiho Kobayashi, Elina Lindfors, Kari Nilsson and Ulisses Barres de AlmeidaEPJ Web of Conferences, 61 (2013) 03005DOI: https://doi.org/10.1051/epjconf/20136103005