Electronic data interchange for administration, commerce and transport (EDIFACT). Application level syntax rules (Syntax version number: 4, Syntax release number: 1). Part 8. Associated data in EDI— 13 стр.
Water quality -- Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium -- Method by analysis of dissolved organic carbon (DOC)— 18 стр.