IS:7563-1985. Indian standard code of practice for structural design of cut and cover concrete conduits.
Bureau of Indian Standards[BIS]
IS:7563-1985. Indian standard code of practice for structural design of cut and cover concrete conduits. - New Delhi Bureau of Indian Standards 1999 - 19p.
IS CODE / B.I.S
IS:7563-1985. Indian standard code of practice for structural design of cut and cover concrete conduits. - New Delhi Bureau of Indian Standards 1999 - 19p.
IS CODE / B.I.S