1. Geologic map of the Mashhad quadrangle, scale 1:250 000;Aghanabati,1986
2. Brachiopoda and conodonts of the sedimentary rocks of the south Bojnourd area, and their stratigraphic implications (in Farsi);Ahmadzadeh-Heravi;Bull. Fac. Engng, Tehran University,1983
3. The Virani ophiolite complex and surrounding rocks;Alavi;Geol. Rdsch.,1979
4. Sedimentary and structural characteristics of the Paleo-Tethys remnants in northeastern Iran;Alavi;Geol. Soc. Am. Bull.,1991