| 000 | 00878nam a22002537a 4500 | ||
|---|---|---|---|
| 001 | D0001B000485 | ||
| 003 | DOH | ||
| 005 | 20210205145302.0 | ||
| 008 | 210205b ||||| |||| 00| 0 eng d | ||
| 020 | _a9241544961 | ||
| 040 | _erda | ||
| 110 | 2 | _aWorld Health Organization | |
| 245 | 0 | 0 |
_aDetermination of airborne fibre number concentrations : _ba recommended method, by phase-contrast optical microscopy (membrane filter method) |
| 260 |
_aGeneva : _bWHO, _c1997. |
||
| 300 | _a53 pages. | ||
| 336 |
_2rdacontent _atext |
||
| 337 |
_2rdamedia _aunmediated |
||
| 338 |
_2rdacarier _avolume |
||
| 650 | 2 |
_aAir Pollutants, Occupational _xanalysis |
|
| 650 | 2 | _aEnvironmental Monitoring | |
| 650 | 2 |
_aMicroscopy, Phase-Contrast _xmethods |
|
| 856 | _uhttps://apps.who.int/iris/bitstream/handle/10665/41904/9241544961.pdf?sequence=1&isAllowed=y | ||
| 942 |
_2nlm _cBK |
||
| 999 |
_c2720 _d2720 |
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