The easiest with LyX is to check Document->Settings->Literature->Sectioned
Bibliography (which uses the bibtopic package). Then copy all the further
readings to a bibtex file further.bib, and insert a second bibtex inset which
points to this database, and select contents->all entries in the bibtex
dialog.
This was exactly what I wanted.
But I latex shows now errors for all my bibtex entries. I even tried it
the same bibtex-file that I use for normal references from text citations.
Why does that occour?
Another question is:
How do I rename the second databes to "futher readings"?
The solution in
Couple of questions about writing reports -
http://article.gmane.org/gmane.editors.lyx.general/37956
wouldn't apply here.
Thank you
Timmie