National symposium on binder economy and alternate binders in road and building construction : proceedings, New Delhi, Nov. 3-4, 1981
National symposium on binder economy and alternate binders in road and building construction : proceedings, New Delhi, Nov. 3-4, 1981 - - New Delhi Central Road Research Institute, 1981 - pt.1 27 cm - .
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Roads-Design and construction-Economic aspects-Congresses
625.7:625.06 Nat:81-1