000 00393nam a2200133Ia 4500
100 _aINDIAN STANDARDS INSTITUTION
650 _aIS:2720(part25)1982
365 _cRS
365 _d1
942 _cENGBK
245 _aIndian Standard Methods of Test for Soils Part XXV Determination od Silica Sesquixide Ratio
_bIS 2720 1982
260 _bIndian Standard Institution
_c1983
_aDelhi
300 _a8p
999 _c32213
_d32213