IS:5218-1969. Indian standard method of test for toughness of natural building stones.
Indian Standards Institution[ISI]
IS:5218-1969. Indian standard method of test for toughness of natural building stones. - New Delhi Indian Standards Institution 1980 - 5p.
ENG
IS Code / I.S.I
IS:5218-1969. Indian standard method of test for toughness of natural building stones. - New Delhi Indian Standards Institution 1980 - 5p.
ENG
IS Code / I.S.I