Uranium in the environment

/ Broder J. Merkel, Andrea Hasche- Berger( editors)

The international yearbook of environmental and resource economics

Quaternary geology and geomorphology of South America

Clapperton, Chalmers M.( Chalmers Moyes)

Prospecting and exploration of mineral deposits

Kuzvart, Milos

Oxford Stone

Arkell, W.J.