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 # How to cite MoonDB and python-moondb
 
+Here you are the references to documents describing MoooDB and the python interface.
 
 #### python-moondb
 
 Frigeri, A., Lehnert, K. A., Ji, P.  [The Python interface to the MoonDB geochemical and petrological database](https://meetingorganizer.copernicus.org/EPSC-DPS2019/EPSC-DPS2019-1729.pdf) European Planetary Science Congress, Geneve - Switzerland, September,  2019
 
 
-
 #### MoonDB
 
 Lehnert, K. A., Markey, K., Ji, P., Cai, Y., Hodges, K., Mercer, C., Walker, J. D., Ash, J., Evans, C. and Zeigler, R.  [MoonDB: 50 Years of Lunar Sample Data Ready for the Data Revolution](http://www.hou.usra.edu/meetings/lpsc2019/pdf/2996.pdf) Lunar and Planetary Science Conference 2019, pp. 2996