diff --git a/bibliobase.bib b/bibliobase.bib
index a797480..d6b8520 100644
--- a/bibliobase.bib
+++ b/bibliobase.bib
@@ -69031,7 +69031,6 @@ author = {Leslie London},
 }
 
 
-
 @InBook{cafierochapter,
   title =        {Theoretical Concepts},
   date =      {2014},
@@ -69042,4 +69041,18 @@ author = {Leslie London},
 }
 
 
+@book{eunsullee,
+  title={Analyzing complex survey data},
+  author={Lee, Eun Sul and Forthofer, Ronald N},
+  volume={71},
+  year={2005},
+  publisher={Sage Publications}
+}
 
+@book{byres2005sharecropping,
+  title={Sharecropping and sharecroppers},
+  author={Byres, Terence J},
+  year={2005},
+  publisher={Routledge}
+}
+>>>>>>> 906d801fcbc14a38751629a00bedd610e211f3fa