000 00326nam a2200109Ia 4500
008 180713s9999 xx 000 0 und d
082 _a624
_bISI-I
245 0 _aINDIAN STANDARD SPECIFICATION FOR HOLLOW CLAY TILTES FOR FLOORS AND ROOFS
_b: ISI NO.3951(PT.II)- 1975
260 _aND
_bISI
_c1986
270 _aLUCKNOW
942 _cGB
999 _c2107
_d2107