| Registros del 1 al 3 de 3 encontrados |
1.- Petrografía
Wagner, Percy A.
Barcelona: Labor, 1932
Biblioteca de iniciacion cultural. Seccion ciencias naturales
III / 3-5-40
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2.- Platinum deposits in the south-eastern part of the Rustenburg District, Transvaal: Preliminary report
Wagner, Percy A.
Pretoria: Government Printing Office, 1926
Geological Survey Memoir
III / 3-5-43
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3.- The platinum deposits and mines of South Africa
Wagner, Percy A.
Londres: Oliver and Boyd, 1929
III / 3-5-41
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