000 | 00331nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aBS-4432 (Part 4) - 1980/ISO 3688 - 1977; Methods for determining optical properties of pulp, paper and board Part 4 measurement of diffuse blue reflectance factors (ISO brightness) of pulps | ||
700 | _aBritish Standards Institution | ||
260 |
_aLondon _bBSI _c1980 |
||
300 | _a5p | ||
999 |
_c31408 _d31408 |