IS:3515-1992. Indian standard lime based blocks - specification. (Second Revision).
Bureau of Indian Standards[BIS]
IS:3515-1992. Indian standard lime based blocks - specification. (Second Revision). - New Delhi Bureau of Indian Standards 1992 - 8p.
IS Code / B.I.S
IS:3515-1992. Indian standard lime based blocks - specification. (Second Revision). - New Delhi Bureau of Indian Standards 1992 - 8p.
IS Code / B.I.S