1 files changed, 34 insertions, 15 deletions
diff --git a/buch/papers/spannung/references.bib b/buch/papers/spannung/references.bib
index ed5703c..02f8d09 100644
--- a/buch/papers/spannung/references.bib
+++ b/buch/papers/spannung/references.bib
@@ -4,27 +4,46 @@
 % (c) 2020 Autor, Hochschule Rapperswil
 %
 
-@online{spannung:bibtex,
-	title = {BibTeX},
-	url = {https://de.wikipedia.org/wiki/BibTeX},
-	date = {2020-02-06},
-	year = {2020},
-	month = {2},
+@online{spannung:Tensor,
+	title = {Tensor},
+	url = {https://de.wikipedia.org/wiki/Tensor},
+	date = {2021-05-29},
+	year = {2021},
+	month = {5},
 	day = {6}
 }
 
-@book{spannung:numerical-analysis,
-	title = {Numerical Analysis},
-	author = {David Kincaid and Ward Cheney},
-	publisher = {American Mathematical Society},
-	year = {2002},
-	isbn = {978-8-8218-4788-6},
-	inseries = {Pure and applied undegraduate texts},
-	volume = {2}
+@online{spannung:Voigtsche-Notation,
+	title = {Voigtsche Notation},
+	url = {https://de.wikipedia.org/wiki/Voigtsche_Notation},
+	date = {2021-05-29},
+	year = {2021},
+	month = {5},
+	day = {6}
+}
+
+@book{spannung:Grundlagen-der-Geotechnik,
+	title = {Grundlagen der Geotechnik},
+	author = {Hans-Henning Schmidt and Roland F. Buchmaier and Carola Vogt-Breyer},
+	publisher = {Springer Fachmedien Wiesbaden GmbH},
+	year = {2017},
+	isbn = {978-3-658-14930-7},
+	inseries = {Geotechnik nach Eurocode},
+	volume = {5}
+}
+
+@book{spannung:Stoffgesetze-und-numerische-Modellierung-in-der-Geotechnik,
+	title = {Stoffgesetze und numerische Modellierung in der Geotechnik},
+	author = {Carlo Rabaiotti and Alessio Höttges},
+	publisher = {Hochschule Rapperswil},
+	year = {2021},
+	isbn = {},
+	inseries = {},
+	volume = {}
 }
 
 @article{spannung:mendezmueller,
-        author = { Tabea Méndez and Andreas Müller },
+        author = { Tabea Méndez and Andreas Müller },
         title = { Noncommutative harmonic analysis and image registration },
         journal = { Appl. Comput. Harmon. Anal.},
         year = 2019,