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 \usepackage{hyperref}
 \usepackage[backend=bibtex]{biblatex}
 \bibliography{bibtex}
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 \usepackage{cleveref}
 \usepackage{subcaption}
 \captionsetup[subfigure]{subrefformat=simple,labelformat=simple}
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 \usepackage{lipsum}
 
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 \title{Advanced Data Structures}
 \author{Martin Hafskjold Thoresen}
 \date{Updated: July 23, 2017}
@@ -64,6 +64,10 @@ This book is a collection of course notes for the course \textit{Advanced Data S
 The chapters are arranged in the same way as the lectures, and some chapters covers material from two lectures.
 Most of the lectures were either loosely or firmly based off of Eric Demaines MIT course 6.851 of the same title\footnote{\url{http://courses.csail.mit.edu/6.851/spring21/}}.
 
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+
+This work is licensed under a Creative Commons “Attribution-ShareAlike 4.0 International" license.
+
 \tableofcontents
 
 \chapter{Hashing}