2 

     2 

     3 \section{Gluing - needs to be rewritten/replaced}

     3 \section{Gluing - needs to be rewritten/replaced}

     4 \label{sec:gluing}%

     4 \label{sec:gluing}%

     5 

     5 

     6 \nn{*** this section is now obsolete; should be removed soon}

     6 \nn{*** this section is now obsolete; should be removed soon}