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thanks wenbin, i've downloaded LEd as well to see the differences.

Somehow I overlooked the navigator tab of entries of the bibtex file (had been looking all over the program millions of times :? ). Anyway because of your reply I checked again & found it and it makes things easier indeed. I will have a look at the JabRef as you suggested.

So, thanks for the reply!

I used WinEdt before, but recently I switched to TechnicCenter.
There is one feature I haven't found in TechnicCenter yet:
WinEdt has a text parser that provides a list of reference labels from the BibTex file if you write \cite{}.
This tool makes referencing easy, because you don't have to ...