File talk:APD2 German.png

Source specification

Krib , Kirnehkrib, could you please provide a precise source?
-If you picked the file from the internet - please provide a specific URL.
-If you digitized it yourself, then please state so and therefore please specify the book you took as source, e.g. giving the ISBN number. If possible add pagenumber.
-If you made a diagramm yourself - please provide your Template or data-source
Thanks in advance. --Itu (talk) 08:14, 6 January 2016 (UTC)