Global distribution, genesis, exploitation, applications, production, and demand of industrial heavy minerals | SpringerLink
Geophysical Abstracts 189 April-June 1962
Carboniferous South Wales
South Wales Facts for Kids
Carboniferous South Wales
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Coal industry in Wales - Wikipedia
Tectono-magmatic evolution of porphyry belts in the central Tethys region of Turkey, the Caucasus, Iran, western Pakistan, and southern Afghanistan - ScienceDirect
South Wales Facts for Kids
Comparison of landslide forecasting services in Piedmont (Italy) and Norway, illustrated by events in late spring 2013
Cărbunii | PDF
Palaeoenvironments of the latest Cretaceous (Maastrichtian) dinosaurs of Romania: insights from fluvial deposits and paleosols of the Transylvanian and Haţeg basins - ScienceDirect