Magnetic imaging with an ensemble of nitrogen-vacancy centers in diamondMayeul Chipaux, Alexandre Tallaire, Jocelyn Achard, Sébastien Pezzagna, Jan Meijer, Vincent Jacques, Jean-François Roch and Thierry DebuisschertEur. Phys. J. D, 69 7 (2015) 166DOI: https://doi.org/10.1140/epjd/e2015-60080-1