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Subjects: History of earth sciences in the Netherlands, earth, sciences, pioneers, Berkhey, clay beds, basalt, werner, vulcanistic, plutonistic, marum, camper, crystallography, vogelsang, haüy, staring, hydroge
Published in: 2001
By: Thomas Crump
Subjects: Economics
Published in: 1991
By: Bridger M. Mitchell & Ingo Vogelsang