C. C. Marais

Spherical void formers in concrete slabs : technical paper, Journal of the South African Institution of Civil Engineering, 52 (2) 2010 : pp. 2-11 : errata

C. C. Marais, J. M. Robberts, B.W.J. Van Rensburg, 2010 .

Design adjustment factors and the economical application of concrete flat-slabs with internal spherical voids in South Africa

C. C. Marais, 2010 .

Spherical void formers in concrete slabs

C. C. Marais, J. M. Robberts, B. V. Rensburg, 2010 .