Stephan Gepraegs, Dan Mannix, Matthias Opel, Sebastian T. B. Goennenwein, Rudolf Gross: Converse magnetoelectric effects in Fe3O4/BaTiO3 multiferroic hybrids. 2013Physical Review B: 88. ISBN 1098-0121 http://dx.doi.org/10.1103/PhysRevB.88.054412