@article{Grissonnanche:196639,
      title = {Direct measurement of the upper critical field in cuprate  superconductors},
      author = {Grissonnanche, G. and Cyr-Choinière, O. and Laliberté,  F. and René De Cotret, S. and Juneau-Fecteau, A. and  Dufour-Beauséjour, S. and Delage, M.-È. and Leboeuf, D.  and Chang, Johan Juul and Ramshaw, B. J. and Bonn, D. A.  and Hardy, W. N. and Liang, R. and Adachi, S. and Hussey,  N. E. and Vignolle, B. and Proust, C. and Sutherland, M.  and Krämer, S. and Park, J.-H. and Graf, D. and  Doiron-Leyraud, N. and Taillefer, Louis},
      journal = {Nature Communications},
      volume = {5},
      year = {2014},
      url = {http://infoscience.epfl.ch/record/196639},
      doi = {10.1038/ncomms4280},
}