Ausgerottet oder ausgestorben? : Warum die Mammuts die Eiszeit nicht überleben konnten

by Ward, Peter D.
Published 1998

The Call of Distant Mammoths : Why the Ice Age Mammals Disappeared

by Ward, Peter D.
Published 1997

Time Machines : Scientific Explorations in Deep Time

by Ward, Peter D.
Published 1998

Unsere einsame Erde

by Ward, Peter D., Brownlee, Donald
Published 2001

Rare Earth : Why Complex Life is Uncommon in the Universe

by Ward, Peter D., Brownlee, Donald
Published 2000