000 | 00305nam a2200121 4500 | ||
---|---|---|---|
027 |
_aSTD 4846 : October 1972 _q1972 |
||
041 | _aeng | ||
942 | _cSD | ||
110 | _aBRITISH STANDARDS INSTITUTION | ||
245 | _aBS 4846 : October 1972 | ||
260 |
_aLondon _bBRITISH STANDARDS INSTITUTION |
||
500 | _aSTD1663 | ||
999 |
_c176087 _d176087 |