\documentclass[handout]{beamer}
\usepackage{pgf,pgfnodes,pgfautomata,pgfheaps}
\usepackage{pgfpages}
\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]

\setlength{\topmargin}{-16.48cm}

\catcode`\@=11

\def\detailedframenumbering{{\number\c@framenumber/\inserttotalframenumber}}

\newcount \c@refinit 
\def\biblioframenumbering{Ref.~\advance\c@page by -\c@refinit \number\c@page
\advance\c@page by \c@refinit}
\def\setbibliopages{\c@refinit=\c@page \advance \c@refinit by -1{}
\let\framenumbering=\biblioframenumbering}

\catcode`\@=12

\input{stockholm.tex}