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2. Bricks manufactured from sludge;Tay;J. Environ. Eng. ASCE,1987
3. Sludge ash as lightweight concrete material;Tay;J. Environ. Eng. ASCE,1989
4. Properties of blended cements, cements made from rice husk ash;Mehta;J. Am. Concr. Inst.,1997
5. Use of rice husk to reduce temperature in high strength mass concrete;Mehta;J. Am. Concr. Inst.,1978