The English Zechstein and related topics /

Almmustuhtton 1986

Extinction : how life on earth nearly ended 250 million years ago /

Dahkki Erwin, Douglas H., 1958-
Almmustuhtton 2006

Ichnology of an Early Permian intertidal flat : the Robledo Mountains Formation of southern New Mexico, USA /

Dahkki Minter, Nicholas J.
Almmustuhtton 2009

A monograph of Carboniferous and Permian Foraminifera : (the genus Fusulina excepted) /

Dahkki Brady, Henry Bowman, 1835-1891
Almmustuhtton 1876

The Permian bivalve genera Myonia, Megadesmus, Vacunella and their allies, and their occurrences in New Zealand,

Dahkki Waterhouse, J. B. (John Bruce), 1932-
Almmustuhtton 1969

The Permian extinction and the Tethys : an exercise in global geology /

Dahkki Şengör, A. M. Celâl
Almmustuhtton 2009

The Permian reef complex of the Guadalupe Mountains region, Texas and New Mexico : a study in paleoecology /

Dahkki Newell, Norman Dennis, 1909-
Almmustuhtton 1953

Permian sphenopsids from Antarctica : descriptions and distribution of species of the fossil plant genera Phyllotheca, Schizoneura, Paracalamites, and Umbellaphyllites /

Dahkki Rigby, J. F.
Almmustuhtton 1969

The Permian timescale /

Almmustuhtton 2018

Permian-Triassic evolution of Tethys and western circum-Pacific /

Almmustuhtton 2000

Permian-Triassic Pangean basins and foldbelts along the Panthalassan margin of Gondwanaland /

Almmustuhtton 1994

The permo-triassic formations : a world review /

Dahkki Sherlock, Robert Lionel, 1875-
Almmustuhtton 1947

Stratigraphic boundary problems: Permian and Triassic of West Pakistan /

Dahkki Kummel, Bernhard, 1919-
Almmustuhtton 1970

The Zechstein facies in Europe /

Almmustuhtton 1987