diff --git a/README.org b/README.org
index 699799a..5cb50c2 100644
--- a/README.org
+++ b/README.org
@@ -731,17 +731,6 @@ below corrects this by advising to override ~TeX-brace-count-line~ with
              ("v" . "verse"))))
 #+end_src
 
-*** [[info:org#Citation export processors][Citation export processors (info)]]
-:PROPERTIES:
-:CUSTOM_ID: sec:citation-export-processors
-:END:
-
-#+begin_src emacs-lisp
-  (with-eval-after-load 'oc
-    (require 'oc-biblatex)
-    (require 'oc-csl))
-#+end_src
-
 *** [[info:org#External Links][Export external links (info)]]
 :PROPERTIES:
 :CUSTOM_ID: sec:export-external-links
@@ -1004,14 +993,27 @@ Stolen from [[https://git.sr.ht/~bzg/org-contrib/tree/master/item/lisp/ox-extra.
                '(apply 'my-org-eval-blocks-named '("python-setup")))
 #+end_src
 
-** Citing bibliography
+*** [[info:org#Citation export processors][Citation export processors (info)]]
+:PROPERTIES:
+:CUSTOM_ID: sec:citation-export-processors
+:END:
+
+#+begin_src emacs-lisp
+  (with-eval-after-load 'oc
+    (custom-set-variables
+     '(citar-bibliography '("~/VCS/research/refs.bib")))
+    (require 'oc-biblatex)
+    (require 'oc-csl))
+#+end_src
+
+*** [[https://github.com/bdarcus/citar][Citar: citing bibliography]]
 :PROPERTIES:
 :CUSTOM_ID: sec:citing-bibliography
 :END:
 
 [[https://github.com/bdarcus/citar][Citar]] provides a completing-read front-end to browse and act on BibTeX,
-BibLaTeX, and CSL JSON bibliographic data, and LaTeX, markdown, and org-cite
-editing support.
+BibLaTeX, as well as CSL JSON bibliographic data with LaTeX, markdown, and
+org-cite editing support.
 
 [[https://github.com/bdarcus/citar][Citar]] -- in combination with vertico, embark, and marginalia -- provides quick
 filtering and selecting of bibliographic entries from the minibuffer, and the
@@ -1026,11 +1028,17 @@ option to run different commands on those selections.
     (custom-set-variables
      '(org-cite-activate-processor 'citar)
      '(org-cite-follow-processor 'citar)
-     '(org-cite-insert-processor 'citar))
+     '(org-cite-insert-processor 'citar)
+     `(citar-bibliography ,org-cite-global-bibliography))
     (global-set-key (kbd "C-c b") #'citar-insert-citation)
     (define-key minibuffer-local-map (kbd "M-b") #'citar-insert-preset))
 #+end_src
 
+**** TODO Compare bibtex and biblatex
+1. [[https://www.economics.utoronto.ca/osborne/latex/BIBTEX.HTM][Using bibtex: a short guide]]
+2. [[https://www.tug.org/texlive//devsrc/Master/texmf-dist/doc/latex/biblatex/biblatex.pdf][The biblatex package]]
+3. [[https://github.com/yuchenlin/rebiber][Rebiber: A tool for normalizing bibtex with official info]]
+4. [[https://github.com/josephwright/biblatex-phys][A biblatex implementation of the AIP and APS bibliography style]]
 * Editing
 
 ** [[https://www.emacswiki.org/emacs/DisabledCommands][Enable disabled commands and inform]]