00845cam a22002531 4500 sa 68006795 DLC 20260227112519.0 711115s1967 ii abce b 100 0 eng sa 68006795 PL480:I-E-9092 DLC DLC DLC TP881 .S95 1964 666/.9 Symposium on Puzzolanas, Their Survey, Manufacture and Utilization, New Delhi, India, 1964. Proceedings. [New Delhi, Central Road Research Institute, 1967] vii, 332 p. illus., map, plans (part fold.) ports. 26 cm. Rs14.50 "Organized by Central Road Research Institute, New Delhi, India." Includes bibliographies. Pozzuolanas Congresses. Central Road Research Institute. 81537 81537