https://ujcontent.uj.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Influence of open porosity, hydration products and extent of hydration on the strength of desilicated lime fly ash composites https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:25908 Thu 16 Nov 2017 08:33:28 SAST ]]> Surfaces of constant visual acuity in symmetric dioptric power space https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:3290 Sat 16 Sep 2017 00:46:50 SAST ]]>