@article{Kumar:132791,
      author        = "Kumar, Ravi and Urtizberea, Ainhoa and Ghosh, Souvik and
                       Bog, Uwe and Rainer, Quinn and Lenhert, Steven and Fuchs,
                       Harald and Hirtz, Michael",
      title         = "{Polymer pen lithography with lipids for large-area
                       gradient patterns}",
      year          = "2017",
}