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        (
            [journal] => stdClass Object
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                    [id_jnl] => 67
                )

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    [1] => stdClass Object
        (
            [section] => stdClass Object
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                    [section] => 1094
                )

        )

    [2] => stdClass Object
        (
            [title] => Array
                (
                    [0] => The development of services in the national newspaper library of Mexico@en
                    [1] => El desarrollo de los servicios en la Hemeroteca Nacional de México@es
                )

        )

    [3] => stdClass Object
        (
            [abstract] => Array
                (
                    [0] => Over time, the collections and services provided to the public by the National Newspaper Library of Mexico have undergone transformations in order to facilitate the search of information, as well as to promote the conservation and preservation of the newspaper materials; hence the importance of presenting the evolution of the institution versus the technological changes that have allowed it to develop and offer a diversity of services to its users.@en
                    [1] => Al pasar el tiempo, las colecciones y los servicios que presta al público la Hemeroteca Nacional de México han sufrido transformaciones a fin de facilitar la búsqueda de información, así como para favorecer la conservación y preservación de los materiales hemerográficos; de ahí la importancia de exponer la evolución de la institución frente a los cambios tecnológicos que le han permitido desarrollar y ofrecer una diversidad de servicios a sus usuarios.@es
                )

        )

    [4] => stdClass Object
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            [author] => Array
                (
                    [0] => María del Rosario Suaste Lugo
                )

        )

    [5] => stdClass Object
        (
            [subject] => Array
                (
                    [0] => National newspaper library@en
                    [1] => Services@en
                    [2] => Reference@en
                    [3] => Publications@en
                    [4] => Periodicals@en
                    [5] => Collections@en
                    [6] => Comparison@en
                    [7] => Hemeroteca nacional@es
                    [8] => Servicios@es
                    [9] => Consulta@es
                    [10] => Publicaciones periódicas@es
                    [11] => Colecciones@es
                    [12] => Cotejo@es
                )

        )

    [6] => stdClass Object
        (
            [source] => stdClass Object
                (
                    [vol] => 20
                    [nr] => 1
                    [year] => 2017
                    [theme] => 
                )

        )

    [7] => stdClass Object
        (
            [datePub] => Array
                (
                    [0] => 2017-08-11
                )

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    [8] => stdClass Object
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            [DOI] => Array
                (
                    [0] => stdClass Object
                        (
                            [type] => DOI
                            [value] => Array
                                (
                                    [0] => 10.22201/dgb.0187750xp.2017.1.175
                                )

                        )

                )

        )

    [9] => stdClass Object
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            [http] => Array
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                    [0] => stdClass Object
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                            [type] => HTTP
                            [value] => Array
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                                    [0] => https://bibliotecauniversitaria.dgb.unam.mx/rbu/article/view/175
                                )

                        )

                    [1] => stdClass Object
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                            [type] => HTTP
                            [value] => Array
                                (
                                    [0] => https://bibliotecauniversitaria.dgb.unam.mx/rbu/article/view/175/170
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                )

        )

    [10] => stdClass Object
        (
            [language] => Array
                (
                    [0] => es
                )

        )

    [11] => stdClass Object
        (
            [license] => Array
                (
                )

        )

)