[Tex/LaTex] Inserting urls in bibdesk

bibdeskurls

I am working with bibdesk in latex, only when I want to insert URL's in misc. I only get errors. The first image below shows how I am working now:

To enter image description here

However, I have heard it is possible to add some extra rows, see figure below. But how can I add them? It does not work via tab or enter.

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Help is much appreciated!

Best Answer

BibDesk->Preferences->Fields and check the fields you want to add.