fix the link to config_references

Author: SarahAlidoost

_episodes/04-recipe.md

@@ -181,14 +181,22 @@ Please note the following sections:
     The documentation consists of the following information:
 
     - description: a short description of the recipe
-    - authors: a list of authors (linked to `esmvaltool/config-references.yml`)
-    - maintainer: a list of maintainers (linked to
-      `esmvaltool/config-references.yml`)
-    - references: a list of references (linked to a bibtexfile in
-      `esmvaltool/references` with the same name)
-    - projects: a list of projects (linked to
-      `esmvaltool/config-references.yml`)
+    - authors: a list of authors
+    - maintainer: a list of maintainers
+    - references: a list of references
+    - projects: a list of projects
 
+> ## config-references.yml and references
+>
+> The values for the keys ``author``, ``maintainer``, ``projects`` and
+> ``references`` in the recipe should be known by ESMValTool. A list of ESMValTool
+> author, maintainer, and projects are mentioned in the file ``config-references.yml``
+> that can be found in
+> [ESMValTool/esmvaltool](https://github.com/ESMValGroup/ESMValTool/blob/master/esmvaltool/config-references.yml).
+>
+> ESMValTool references in `BibTeX` format can be found in
+> [ESMValTool/esmvaltool/references](https://github.com/ESMValGroup/ESMValTool/tree/master/esmvaltool/references).
+{: .callout}
 
   - datasets: lines 22-23
 
@@ -399,9 +407,9 @@ available) can be found below. Note that the timestamps differ.
 
 > ## Your output plot(s).
 > Plots for the dataset(s) are located in `./recipe_example_#_#/plots/timeseries_diag/`
-> 
+>
 > For a single dataset:
-> 
+>
 > ![single dataset](../fig/diag_CMIP5_HadGEM2-ES_Omon_historical_r1i1p1_thetaoga_prep_timeseries_diag_timeseries_temperature_1859_2005_timeseries_0.png "single dataset")
 >
 > Or an overlay plot, if multiple datasets are defined:
@@ -410,8 +418,8 @@ available) can be found below. Note that the timestamps differ.
 {: .solution}
 
 > ## Your main output log file.
-> The main output file is located at `./recipe_example_#_#/run/main_log.txt/` 
-> 
+> The main output file is located at `./recipe_example_#_#/run/main_log.txt/`
+>
 > ~~~bash
 > INFO    [33433]
 > ______________________________________________________________________
@@ -499,7 +507,7 @@ available) can be found below. Note that the timestamps differ.
 
 > ##  Your settings.yml file.
 > This file is located at `./recipe_example_#_#/run/diag_timeseries_temperature/timeseries_diag/settings.yaml`.
-> 
+>
 > ```YAML
 > auxiliary_data_dir: /mnt/lustre01/pf/b/b380506/work/auxiliary_data
 > input_files:
@@ -519,9 +527,9 @@ available) can be found below. Note that the timestamps differ.
 {: .solution}
 
 > ## A metadata.yml file.
-> 
+>
 > This file is located at `./recipe_example_#_#/preproc/diag_timeseries_temperature/timeseries_variable/metadata.yml`.
-> 
+>
 > ```YAML
 > ? /scratch/b/b380506/recipe_example_20200701_082257/preproc/diag_timeseries_temperature/timeseries_variable/CMIP5_HadGEM2-ES_Omon_historical_r1i1p1_thetaoga_1859-2005.nc
 > : alias: HadGEM2-ES
@@ -552,7 +560,7 @@ available) can be found below. Note that the timestamps differ.
 
 > ## The diagnostic log file.
 > This file is located at `./recipe_example_#_#/run/diag_timeseries_temperature/timeseries_diag/log.txt`
-> 
+>
 > ~~~bash
 > Starting diagnostic script timeseries_diag with configuration:
 > auxiliary_data_dir: /mnt/lustre01/pf/b/b380506/work/auxiliary_data

_episodes/06-debugging.md

@@ -215,13 +215,16 @@ attach the run/recipe_*.yml and run/main_log_debug.txt files from the output dir
 
 The values for the keys ``author``, ``maintainer``, ``projects`` and
 ``references`` in the recipe should be known by ESMValTool. A list of ESMValTool
-author, maintainer, references, and projects can be found in the
+author, maintainer, and projects can be found in the
 ``config-references.yml``. You could download this file:
 
 ~~~bash
   wget https://github.com/ESMValGroup/ESMValTool/blob/master/esmvaltool/config-references.yml
 ~~~
 
+And ESMValTool references in `BibTeX` format can be found
+[here](https://github.com/ESMValGroup/ESMValTool/tree/master/esmvaltool/references).
+
 > ## ESMValTool can’t locate the data
 >
 > You are assisting a colleague with ESMValTool. The colleague replaces the