Verwoerd, W. J. (1957). The mineralogy and genesis of the lead-zinc-vanadium deposit of Abenab West in the Otavi Mountains, South West Africa. [University of Stellenbosch].
Citación estilo ChicagoVerwoerd, W. J. The Mineralogy and Genesis of the Lead-zinc-vanadium Deposit of Abenab West in the Otavi Mountains, South West Africa. Stellenbosch: [University of Stellenbosch], 1957.
Cita MLAVerwoerd, W. J. The Mineralogy and Genesis of the Lead-zinc-vanadium Deposit of Abenab West in the Otavi Mountains, South West Africa. [University of Stellenbosch], 1957.
Warning: These citations may not always be 100% accurate.