000 00391cam a2200157ua 4500
041 _aeng
_h
082 _a028.710218
_bBUR/BI
100 _aBuroau of Indian standards, BIS .
245 0 0 _aBIS hand book- 1990
_hTextual Documents
260 _a :
_bBureau of Indian standards ,
_c1990.
300 _a556 ; .
500 _a**Reference
504 _a
942 _cBK
999 _c33658
_d33658