2006VDI 3940 Blatt 2-2006 Measurement of odour impact by field inspection - Measurement of the impact frequency of recognizable odours - Plume measurement
1993VDI 3940-1993 Bestimmung der Geruchsstoffimmission durch Begehungen
1991VDI 3940-1991 Determination of odour in ambient air by field inspections