000 00267nam a2200109Ia 4500
008 220201s1985 xx 000 0 eng d
100 _aISI
245 0 _aIS: SP - 21 ( sand T) - 1983 - ( for buliding materials)
260 _bISI
_c1985
300 _a496
942 _2ddc
999 _c84158
_d84158