That happens because of the function org-ref-title-case-article in the
variable org-ref-clean-bibtex-entry-hook.

Just set org-ref-clean-bibtex-entry-hook to have what you want in it in
your init files to prevent the title casing from occurring.

John

-----------------------------------
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu


On Fri, Dec 2, 2016 at 9:20 AM, Georg W. Otto <g.otto@ucl.ac.uk> wrote:

> Hi,
>
> I am not completely sure if the problem is caused by org-ref or
> somwehere else in the process, but here it is:
>
> When importing a paper by doi using
>
> doi-utils-add-bibtex-entry-from-doi
>
> the title is capitalized. I want to switch off this behaviour, leaving
> the paper title in its original capitalization state. Any idea how I can
> do this?
>
> Cheers,
>
> Georg
>
>
>