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World index of strategic minerals : production, exploitation and risk
Hargreaves, David, (1983)
Productivity measurement with natural capital
Brandt, Nicola, (2017)
BodenSchätzeWerte : unser Umgang mit Rohstoffen
Kastrup, Ulrike, (2017)
The mining industry after the boom
Humphreys, David, (2019)
Mining productivity and the fourth industrial revolution
Humphreys, David, (2020)
Smoke and mirrors : some reflections on the science and politics of geoengineering
Humphreys, David, (2011)