00584cam a22002171 4500 sa 67000901 DLC 20260227112318.0 900609s1962 ii 000 0 eng sa 67000901 PL480: I-E-6513 (OCoLC)21759136 DLC CU CU DLC premarc TH2431 .I5 National Buildings Organization (India) Report on study of methods used for water-proofing of roofs in India. [Delhi] 1962. 22 p. 25 cm. Roofing. 72285 72285