Geometrische Nichtlinearität hinzugefügt

sections/References.bib

@@ -31,6 +31,39 @@
   isbn = {3-540-43511-5},
   gender={pm},
 }
+@BOOK{roesler12,
+  author = {Rösler, Joachim and Harders, Harald and Bäker, Martin},
+  title= {Mechanisches Verhalten der Werkstoffe},
+  subtitle= {},
+  publisher = {Springer Vieweg},
+  year = {2012},
+  address = {Wiesbaden},
+  edition = {4},
+  isbn = {978-3-834-81818-8},
+  gender={pm},
+}
+@BOOK{wriggers01,
+  author = {Wriggers, Peter},
+  title= {Nichtlineare Finite-Element-Methoden},
+  subtitle= {},
+  publisher = {Springer-Verlag},
+  year = {2001},
+  address = {Berlin Heidelberg},
+  edition = {},
+  isbn = {978-3-540-67747-5},
+  gender={sm},
+}
+@BOOK{nasdala12,
+  author = {Nasdala, Lutz},
+  title= {FEM -- Formelsammlung Statik und Dynamik},
+  subtitle= {Hintergrunhdinformationen, Tipps und Tricks},
+  publisher = {Springer Vieweg},
+  year = {2012},
+  address = {Wiesbaden},
+  edition = {2},
+  isbn = {978-3-834-81841-6},
+  gender={sm},
+}
 @BOOK{femp08,
   author = {Stelzmann, Ulrich and Groth, Clemens and Müller, Günter},
   title= {FEM für Praktiker},