Indian Standard Institution, .
Code of practice for preparation and use of masonary mortars,IS:2250-1981 - New Delhi : Indian Standards Institution , 1988. - 31 ; .
691.53 / IND/CO
Code of practice for preparation and use of masonary mortars,IS:2250-1981 - New Delhi : Indian Standards Institution , 1988. - 31 ; .
691.53 / IND/CO