@article {IOPORT.50329254,
    author       = {Bra\"uner, Torben and Hasle, Per F. V. and {\o}hrstr{\o}m, Peter},
    title        = {Preface},
    year         = {2006},
    journal      = {Synthese},
    volume       = {150},
    number       = {3},
    pages        = {327-328},
    doi          = {10.1007/s11229-005-5510-0},
    identifier   = {50329254},
}