1. Sludge ash as filler for Portland cement concrete;Tay;J. Environ. Eng. Div. ASCE,1987
2. Sludge ash as lightweight concrete material;Tay;J. Environ. Eng. ASCE,1989
3. Properties of blended cements, cements made from rice husk ash;Mehta;J. Am. Concr. Inst.,1997
4. Use of rice husk to reduce temperature in high strength mass concrete;Mehta;J. Am. Concr. Inst.,1978
5. Compressive strength of municipal sludge ash mortars;Bhatty;ACI Mat.,1989