in the PWC the user has to ways to see the referenced documents
where used or to use the tab where he can see ingoing or outgoing.

• in/outgoing has only limited information, no customizing is possible to add more fields or commands
  Should be possible to add more fields
  Should be possible to add own commands (having the contect menu available)

• the click allways opens allways the document
  Should be possible to open the viewer clicking on the icon or so