\backcite {HIS,EIS,OIS}{{1}{(document)}{Doc-Start}}
\backcite {Ri}{{1}{(document)}{Doc-Start}}
\backcite {Do}{{2}{(document)}{Doc-Start}}
\backcite {BjSa}{{2}{(document)}{Doc-Start}}
\backcite {St}{{2}{(document)}{Doc-Start}}
\backcite {Ca}{{3}{(document)}{Doc-Start}}
\backcite {Bj}{{3}{(document)}{Doc-Start}}
\backcite {OT}{{3}{(document)}{Doc-Start}}
\backcite {PS}{{5}{(document)}{Doc-Start}}
\backcite {Be1,Be2}{{8}{(document)}{Doc-Start}}
\backcite {Za}{{9}{(document)}{Doc-Start}}
\backcite {We}{{15}{(document)}{Doc-Start}}
\backcite {Ke}{{15}{(document)}{Doc-Start}}
\backcite {BeSl}{{15}{(document)}{Doc-Start}}
\backcite {Ko}{{16}{(document)}{Doc-Start}}
\backcite {Ri}{{17}{(document)}{Doc-Start}}
\backcite {SZ}{{17}{(document)}{Doc-Start}}