@article{Dopazo:164985,
      author        = "Dopazo, C. and Martin, J. and Cifuentes, L. and Hierro,
                       J.",
      title         = "{Strain, Rotation and Curvature of Non-material
                       Propagating Iso-scalar Surfaces in Homogeneous Turbulence}",
      year          = "2018",
}