1. Javed S, Lovell CW. Use of foundry sand in highway construction. Joint Highway Report No. C-36-50N, Department of Civil Engineering, Purdue University, Indiana, USA; 1994.
2. Traeger PA. Evaluation of the constructive use of foundry wastes in highway construction. MS thesis, The University of Wisconsin–Madison, Madison, Wisconsin; 1987.
3. Kleven JR, Edil TB, Benson CH. Evaluation of excess foundry system sands for use as sub base material. Transportation research record 1714. Washington DC: Transportation Research Board; 2000. p. 40–8.
4. MOEE. Spent foundry sand – alternative uses study. Report prepared by John Emery Geotechnical Engineering Limited for Ontario Ministry of the Environment and Energy and the Canadian Foundry Association, Queen’s Printer for Ontario; 1993.
5. American Foundry men’s Society. Alternative utilization of foundry waste sand. Final Report (Phase I) prepared by American Foundry men’s Society Inc. for Illinois Department of Commerce and Community Affairs, Des Plaines, Illinois; 1991.