% From biber test data : t/tdata/crossrefs.bib
% Kept initial comment but not for our purpose

% Test of dependency calculations for non-cited entries

@BOOK{r1,
  DATE      = {1911},
  CROSSREF  = {r2}
}

@BOOK{r2,
  DATE      = {1911},
  CROSSREF  = {r3}
}

@BOOK{r3,
  DATE      = {1911},
  CROSSREF  = {r4}
}

@BOOK{r4,
  DATE      = {1911},
}