@incollection{, 79D906BAA8B18F8F060C81DC496A7D78 , author={{WJvdMSteyn} and {Dr. J.Strydom} and {University of Pretoria}}, journal={{Global Journal of Researches in Engineering}}, journal={{GJRE}}2249-45960975-586110.34257/gjre, address={Cambridge, United States}, publisher={Global Journals Organisation}13219 } @book{b0, , title={{Use of Waste Materials and By-products in Road Construction}} , year={1977} , publisher={Organisation for Economic Cooperation and Development} , address={Paris, France} Development Road Research Group } @book{b1, , title={{Classification of an IMP and its Utilisation in Covered/Closed Applications for Road Building, Foundations and Backfill. Environmental and Chemical Consultants cc}} , author={{ DABaldwin }} , year={2002} , address={Cresta, South Africa} } @incollection{b2, , title={{Construction and performance of IMP test section}} , author={{ DTheron } and { JKTreurnich }} , journal={{Delta EMD (Pty) Ltd}} , year={2010} } @incollection{b3, , title={{Greenfill Product. Delta EMD (Pty) Ltd}} , journal={{Delta EMD (Pty) Ltd}} , year={2007} } @book{b4, , title={{Application of the Portable Seismic Pavement Analyser (PSPA) for pavement analysis}} , author={{ WJSteyn } and { ESadzik }} , year={2007. 2007} , note={Paper presented at the} } @book{b5, , title={{}} , author={{ PretoriaSatc } and { SouthAfrica }} } @book{b6, , title={{Prediction of moisture content for use in pavement design}} , author={{ SJEmery }} , year={1985} , address={Johannesburg, South Africa} University of the Witwatersrand , note={PhD thesis} } @book{b7, , title={{Committee of State Road Authorities (CSRA). (1085)}} TRH14 , publisher={Department of Transport} , address={Pretoria, SA} , note={TRH 14 Guidelines for Road Construction Materials} } @book{b8, , title={{Overview of the South African Mechanistic Pavement Design Analysis Method}} , author={{ HLTheyse } and { DeBeer } and { MRust } and { FC }} , year={1996} , address={Washington D.C} , note={Paper 961294 presented at 75 th Transportation Research Board meeting} }