000 00948cam a2200157ua 4500
041 _aeng
_h
082 _a691.21
_bIND/ME
110 1 _aIndian standards institution .
_bISI
_c()
245 _aMethod of test for toughness of natural building stones /
_cIndian standards institution.
_hTextual Documents
250 _a1 /
_b.
260 _aNew Delhi :
_bIndian standards institution ,
_c1969.
300 _a5 ; .
504 _a
942 _cBK
999 _c265024
_d265024