The use of a pseudo-wollastonite slag for ceramic purposes

von Nel, P. J.
Veröffentlicht 1973

Deciduous Fruits and vines : Pests and diseases and their control

von Nel, P. J.
Veröffentlicht 1983

The use of South African blastfurnace slag for ceramic purposes

von Nel, P. J.
Veröffentlicht in Journal of the South African Institute of Mining and Metallurgy, 70.1970,12 (1970)