000 00270nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _bISI
100 _aISI
245 0 _aSpecification for sewer bricks
260 _aNew Delhi
_bISI
_c1969
300 _a6
942 _2ddc
999 _c20058
_d20058