| 000 | 006550000a22001810004500 | ||
|---|---|---|---|
| 003 | PH-MaWHO | ||
| 005 | 20241108112218.0 | ||
| 020 | _a92-4-154496-1 | ||
| 090 | _aSCI.S 1997 | ||
| 245 | _aDetermination of airborne fibre number concentrations : a recommended method, by phase-contrast optical microscopy (membrane filter method). | ||
| 264 |
_aGeneva : _bWorld Health Organization, _c1997. |
||
| 300 | _a53p. | ||
| 041 | _aeng | ||
| 650 |
_aAir pollutants, Occupational _xAnalysis _957201 |
||
| 650 |
_aEnvironmental monitoring _xMethods _9148441 |
||
| 650 |
_aMicroscopy, Phase-contrast _9234569 |
||
| 942 |
_cMONO _b2017 retain _gMark 24-04-2018 13:53:47 |
||
| 999 |
_c3779 _d3779 |
||