On Wed, May 5, 2021, 1:48 AM Eric S Fraga <e.fraga@ucl.ac.uk> wrote:
On Tuesday,  4 May 2021 at 18:59, Nicolas Goaziou wrote:
> Is the default \cite{key} command (without any other package) used?

Yes, it is.  But I wouldn't be able to tell you anything about relative
frequency etc.

Does it have any more commands than \cite and \nocite?

Bruce