000 00208nam a2200073 4500
080 _a
_b
245 _aIS: 5900 - 1970 Reaffirmed 1987; Specification for hair hygrograph
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1971
300 _a9p
999 _c34567
_d34567