model_map_generation.md

@@ -7,7 +7,7 @@ The model map can be generated by any procedure that computes the model map from
 To generate a model map with B-facvtor weighted structure factors and electron form factors we recommend to use the provided [```prepare_locscale_input.py```](prepare_locscale_input.py) script.
   
 
-In the following the procedure is illustrated for TRPV1 channel [1](). The files can be found [here](http://emsearch.rutgers.edu/atlas/5778_downloads.html)
+In the following the procedure is illustrated for TRPV1 channel [1]. The files can be found [here](http://emsearch.rutgers.edu/atlas/5778_downloads.html)
  
 ```
 phenix.python prepare_locscale_input.py -mc pdb3j5p.pdb -em emd_5778_full.map
@@ -15,4 +15,7 @@ phenix.python prepare_locscale_input.py -mc pdb3j5p.pdb -em emd_5778_full.map
   
 #### Link to [source](https://git.embl.de/jakobi/LocScale/blob/master/prepare_locscale_input.py)  
 [recommended procedure](model_map_generation_from_arbitrary_files)
-#### __PLEASE download the following [electron form factor table](electron_scattering.py) for use with pdb2map.py.__
+#### __PLEASE download the following [electron form factor table](electron_scattering.py) for use with pdb2map.py.__
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+
+ 
+ [1](https://www.nature.com/nature/journal/v504/n7478/full/nature12822.html) Liao et al., _Nature_ __504__:107-112 (2013)    
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