diff --git a/bibliobase.bib b/bibliobase.bib
index 8063254..afd2ec0 100644
--- a/bibliobase.bib
+++ b/bibliobase.bib
@@ -57545,4 +57545,24 @@ year = {1991},
 	publisher = {Springer Science $\mathplus$ Business Media},
 	editor = {Muhammad Farooq and Kadambot H. M. Siddique},
 	title = {Conservation Agriculture}
-}
\ No newline at end of file
+}
+
+@Book{cowell1977,
+  author =    {Cowell, F A},
+  title =        {Measuring Inequality},
+  publisher =    {Phillip Allan, Oxford},
+  year =         {1977},
+}
+
+
+@Article{toyoda1980,
+  author =       {T. Toyoda},
+  title =        {Decomposability of Inequality Measures},
+  journal =      {Economic Studies Quarterly},
+  year =         {1980},
+  OPTkey =       {},
+  volume =    {31},
+  number =    {12},
+  pages =     {207-46},
+}
+