000 00244nam a2200073 4500
080 _a
_b
245 _aIS: 1885 (part 72) - 1993/IEC Pub. 0050 (101) - 1977; Electrotechnical vocabulary Part 72 mathematics
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1993
300 _a10p
999 _c34443
_d34443