000 00250nam a2200073 4500
080 _a
_b
245 _aIS: 1885 (Part III/Sec 5)-1966 :Electrotechnical Vocabulary Part 3 Acoustics Section 5 Speedh and Hearing
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1967
300 _a12p
999 _c24433
_d24433