Die huwelik as �instelling van God� (met implikasies vir gay huwelike)

by G de Villiers
Published 2007-09-01

Longitudinal and vertical focusing with a field gradient spiral inflector

by A. H. Barnard, J. I. Broodryk, J. L. Conradie, J. G. de Villiers, J. P. Mira, F. Nemulodi, R. Thomae
Published 2021-02-01