@inproceedings{
    myko:97a,
    author = "Mykowiecka, Agnieszka",
    title = "Some considerations on an {HPSG} analysis of {P}olish relative clause constructions",
    crossref = "kos:fra:02:ed"
}
@proceedings{
    kos:fra:02:ed,
    editor = "Kosta, Peter and Frasek, Jens",
    publisher = "Peter Lang",
    booktitle = "Current Approaches to Formal {S}lavic Linguistics: Proceedings of the Second {E}uropean Conference on Formal Description of {S}lavic Languages, {P}otsdam, 1997",
    address = "Frankfurt am Main",
    title = "Current Approaches to Formal {S}lavic Linguistics: Proceedings of the Second {E}uropean Conference on Formal Description of {S}lavic Languages, {P}otsdam, 1997",
    year = "2002"
}