1. Vertebrate footprints from the Miocene Upper Red Formation, Shokorchi area, Zanjan province, NW Iran;Abbassi;Ichnos,2010
2. [Ichnology of Miocene vertebrate footprints in the Upper Red Formation, Evan-e-key section, east of Tehran, Iran]. Geological Survey of Iran Publication, Tehran, Iran;Abbassi;Geosciences,2008
3. Eocene bird and mammal tracks from the Karaj Formation, Tarom Mountains, Northwestern Iran;Abbassi;Ichnos,2004
4. [Miocene vertebrate footprints from the Upper Red Formation, Mushampa Area, Zanjan province]. Geological Survey of Iran Publication, Tehran, Iran;Abbassi;Geosciences,2005
5. Jurassic Stratigraphy of Iran;Aghanabati,1998