@article{Razzolini:57863,
      author        = "Razzolini, N.L. and Vila, B. and Castanera, D. and
                       Falkingham, P.L. and Barco, J.L. and Canudo, J.I. and
                       Manning, P.L. and Galobart, À.",
      title         = "{Intra-trackway morphological variations due to substrate
                       consistency: the El Frontal dinosaur tracksite (lower
                       Cretaceous, Spain).}",
      year          = "2014",
}