Puzzolanic clays of India: their industrial exploitation and use in engineering works. - Delhi [1964] - viii, 290 p. illus., maps (part fold.) 25 cm. - Road Research special reports, no. 1 . Bibliography: p. 259-290. LCCN: sa 66001560 //79 Subjects--Topical Terms: Clay--India.Pozzuolanas--India. LC Class. No.: TN943.I6 / C45 1964