1  \chapter{Cool stuff or the sub-Kelvin cryogenic system}
 2  \section{A little thermodynamics overture}
 3  \section{Cryogenic liquids properties}
 4  \subsection{Helium 4}
 5  \subsection{Helium 3}
 6  \section{The physics behind a fridge (the cryogenic one, not the kitchen one)}
 7  \section{The magical world of dilution refrigeration}
 8  \section{My superduper setup}
 9  \section{Some tests}
10  \section{Results I don't want to talk about}
11  \section{What I would have liked to change}