The following entry breaks LyX's natbib support (the citation style choice gets disabled). And yes, this is a real example from my real work.
Regards,
J�rgen.
@Article{stk:ausstatter01,
Author = {s.t.k.},
Title = {Aus.statter [sic!]},
Journal = {Frankfurter Rundschau},
Pages = {1},
month = {24} # feb,
year = 2001,
}
