Printing inks for graphic technology – Marking of properties of inks for letterpress printing and planographic printing on labels
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1994

Printing inks for graphic technology – Labelling of properties of sheetfed offset inks
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2012