Pridolian and early gedinnian age brachiopods from the roberts mountains formation of Central Nevada/ J.G. Johnson, A.J.Boucot, and M.A. Murphy
Johnson, J.G., Boucot, A.J.
Brachiopoden aus dem silur, devon und Karbon in Afghanistan( Mit einer stratigraphie des palaozoikum der Dascht_e_ Nawar/ Ost und von Rukh)/ von Arnfrid Durkoop
Durkoop, Arnfrid
Geodynamics and mantle flow: an alternative earth model/ M.L. Keith
Keith, M.L.
Brachiopods of the murrumbidgee group, tacmas, New South Wales/ B.D.E.Chatterton
Chatterton, B. D. E.
Redlichia of the ordian( cambrian) of Northern Australin and New South Wales/ by A. A. Opik
Opik, A. A.