Georg Metzger Story: nichtsolustig Comics

[pupirse]

i added the u-comix series to the wiki and found  this story in number 6:
http://headcomix.info/wiki/doku.php?id=u-comix_6
the copyrightinfo says, that georg metzger draw this story exclusiv for the german u-comix nr. 6.
Whitch means: the German one is the first and only? print of this story!?
Is the Story also somewhere in an US publication printed?
I dont have a copy of: Beyond Time and Again. Could it be in this book?