Oils of thujone-containing Artemisia and oil of sage (Salvia officinalis
Linnaeus) — Determination of alpha- and beta-thujone content — Gas
chromatographic method on packed columns
Acoustics — Determination of sound power levels of noise sources using
sound pressure — Survey method using an enveloping measurement surface
over a reflecting plane — Technical Corrigendum 1
Soil quality — Determination of soil water content as a volume fraction
on the basis of known dry bulk density — Gravimetric method — Technical
Corrigendum 1