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Traugott Wilhelm Gevers

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CiltThe life and work of Dr. Alex. L. du ToitTraugott Wilhelm Gevers

The life and work of Dr. Alex. L. du Toit

Traugott Wilhelm Gevers · Geological Society of South Africa, South African Association for the Advancement of Science, South African Geographical Society

109 sayfa · 1949

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GeologyThe pegmatite area south of the Orange river in NamaqualandTraugott Wilhelm Gevers

The pegmatite area south of the Orange river in Namaqualand

Traugott Wilhelm Gevers · Government Printer

180 sayfa · 1937

Pegmatites / Geology