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.