Symposium on Soil Engineering Mapping la Hermosa Guest Farm Transvaal. (1964). Proceedings of Symposium on Soil Engineering Mapping. South African Institution of Civil Engineers.
Dyfyniad Arddull ChicagoSymposium on Soil Engineering Mapping la Hermosa Guest Farm Transvaal. Proceedings of Symposium on Soil Engineering Mapping. Johannesburg: South African Institution of Civil Engineers, 1964.
Dyfyniad MLASymposium on Soil Engineering Mapping la Hermosa Guest Farm Transvaal. Proceedings of Symposium on Soil Engineering Mapping. South African Institution of Civil Engineers, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.