The encyclopedia texts are copyrighted, all rights on the texts remain reserved.
A free of charge use of extracts is permitted in case
a) KLINGSPOR AG is informed about extent, kind and place of utilisation in advance under: email@example.com and
b) the user includes the following reference in direct special context and well visible: Source: KLINGSPOR AG.
KLINGSPOR can prohibit the further utilisation of the extracts when changes of the contents are made.