Determination of airborne fibre number concentrations : a recommended method, by phase-contrast optical microscopy (membrane filter method)
Bok Engelsk 1997
Utgitt | Geneva : WHO , 1997
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Omfang | 53 s. : ill
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Emner | |
ISBN | 9241544961
|
Utgitt | Geneva : WHO , 1997
|
---|---|
Omfang | 53 s. : ill
|
Emner | |
ISBN | 9241544961
|