1. NEED TO GO THROUGH A FILTER.
authorDB[
    author[
        name(@name=x1){functional},
        conf_jour[
            name(@journame=x2){functional},
            year[
                yr(@yr=x3){functional},
                pub[
                    pub_id(@pub_id [KEY]=x4){functional},
                    title(@title=x5){functional},
                    pages(@pages=x6){functional},
                    cdrom(@cdrom=x7){functional},
                    url(@url=x8){functional}]]]]]
:-
Year-Number(Y1),Document(Y2),Journal(Y3),
Author(Y4),Timepoint(Y5),Doc.Author(Y3,Y4),
Doc.Publication-Date(Y3,Y5),Timepoint.Year(Y5,Y1),Doc.Publication-Date(Y2,Y5),
year.number(Y1,x3),Doc.Title(Y2,x5),Doc.Title(Y3,x2),
Doc.key(Y2,x4),Agent.name(Y4,x1),Doc.Number-Of-Pages(Y2,x6).