European digital cellular telecommunications system (phase 2) - Technical realization of facsimile group 3, transparent; English version ETS 300538:1995
Edition 1996-04

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of sea water (A 16)
Edition 1987-08

German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)
Edition 1990-10

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of tidal waters (A 20)
Edition 1987-08

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); sampling of sediments (S 11)
Edition 1987-08

German standard methods for the examination of water, waste water and sludge; gaseous components (group G); determination of chlorine dioxide (G 5)
Edition 1990-06

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of dissolved silver by atomic absorption spectrometry using electrothermal atomization (E 18)
Edition 1990-05

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 26: Determination of thallium by atomic absorption spectrometry (AAS) using electrothermal atomisation (E 26)
Edition 1997-07

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 30: Pretreatment, homogenization and aliquotation of non-homogeneous water samples (A 30)
Edition 1998-07

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 6: Determination of lead by atomic absorption spectrometry (AAS) (E 6)
Edition 1998-07