Enigmatic dinosaur trackways from the lower jurassic (Pliensbachian) of the Sarca valley, Northeast Italy Avanzini, Marco ; Leonardi, Giuseppe ; Tomasoni, Riccardo ; Campolongo, Matteo Abstract Publication: Ichnos Pub Date: September 2001 DOI: 10.1080/10420940109380190 Bibcode: 2001Ichno...8..235A