| 000 | 00358cam a2200121 a 4500 | ||
|---|---|---|---|
| 020 | _a9241544961 | ||
| 050 | 0 | 0 |
_aMED RA576 _bW67 |
| 245 | 0 | 0 | _aDetermination of airborne fibre number concentrations : numbers concetrations |
| 260 |
_aGeneva : _bWorld Health Organization, _c1997. |
||
| 300 |
_aviii, 53pg. : _bill. ; |
||
| 650 | 0 | _aIndustrial hygiene. | |
| 942 | _cBK | ||
| 999 |
_c9502 _d9502 |
||