Update README.md

README.md

@@ -43,3 +43,11 @@ Unless you set SERIAL to 1, all the scripts assume that you are running a cluste
 Samuel Hanot, Massimiliano Bonomi, Charles H Greenberg, Andrej Sali, Michael Nilges, Michele Vendruscolo, Riccardo Pellarin
 
 doi: https://doi.org/10.1101/113951
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+[2] Multiple subunit fitting into a low-resolution density map of a macromolecular complex using a gaussian mixture model. 
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+Kawabata, T. , Biophys J 2008 Nov 15;95(10):4643-58.
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+http://www.cell.com/biophysj/fulltext/S0006-3495%2808%2978604-1
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