[NTG-context] I want cited bib items only in my bibliography

[Mikael P. Sundqvist]

Dear list,

What is the right way today to get only the cited items in the
bibliography? I have some problems doing this. With the test file

% Start mps.tex
\usemodule[bib]
\setupbibtex[database=referenser]

\starttext
Foo~\cite[anno].

\subject{References}
\placepublications[] % I've read somewhere that this should work
%\placepublications[criterium=all]
\stoptext
% Stop mps.tex

I get an [[error 2]] in the pdf file where the citation is supposed to
be. Also, the References list is empty.

If I change \placepublications[] to \placepublications[criterium=all]
I get all entries in my bib file, even the ones that are not cited.

My referenser.bib is given below:

% Start referenser.bib
@book {anno,
    AUTHOR = {Anno},
     TITLE = {No},
    SERIES = {National Bureau of International Bureau's},
    VOLUME = {1},
      YEAR = {2012},
     PAGES = {10},
}

@article {bent,
    AUTHOR = {Bent},
     TITLE = {Yes},
   JOURNAL = {Letters of Letters},
    VOLUME = {369},
      YEAR = {2013},
    NUMBER = {1},
     PAGES = {39--69},
}
% Stop referenser.bib

Best regards, Mikael