Polka.

stdClass Object
(
    [LEADER] => 00770nam-a22002294u-4500
    [001] => Array
        (
            [0] => pl001453997
        )

    [005] => Array
        (
            [0] => 20200430
        )

    [008] => Array
        (
            [0] => 200430s2012----\\\\\\\\\\\\\\\\\\\\pol
        )

    [040] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => IBL
                            [b] => pol
                        )

                )

        )

    [100] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 1
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => Gretkowska, Manuela
                            [d] => (1964- )
                            [4] => aut
                            [1] => http://viaf.org/viaf/85812397
                        )

                )

        )

    [245] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 1
                    [ind2] => 0
                    [code] => stdClass Object
                        (
                            [a] => Polka. /
                            [c] => Manuela Gretkowska.
                        )

                )

        )

    [250] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => Wyd. 4.
                        )

                )

        )

    [264] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => 1
                    [code] => stdClass Object
                        (
                            [a] => Warszawa : 
                            [b] => Wydawnictwo W.A.B.,
                            [c] => 2012
                        )

                )

        )

    [300] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => 347, [5] s.
                        )

                )

        )

    [380] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [i] => Major genre
                            [a] => Literature
                            [l] => eng
                        )

                )

        )

    [381] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [i] => Major genre
                            [a] => Fiction
                            [l] => eng
                        )

                )

        )

    [590] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => książka twórcy (podmiotowa)
                        )

                )

        )

    [650] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 0
                    [ind2] => 4
                    [code] => stdClass Object
                        (
                            [a] => Hasła osobowe (literatura polska)
                        )

                )

            [1] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => 7
                    [code] => stdClass Object
                        (
                            [a] => Polish literature
                            [2] => ELB-n
                        )

                )

        )

    [655] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => 4
                    [code] => stdClass Object
                        (
                            [a] => Powieść
                        )

                )

        )

    [710] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 2
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => Wydawnictwo WAB
                            [1] => http://viaf.org/viaf/296808754
                        )

                )

        )

    [995] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => Polska Bibliografia Literacka
                            [b] => PBL 2004-2012: książki
                        )

                )

        )

)