xxx
Array
(
    [0] => Array
        (
            [id] => 279
            [topology] => pcb
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            [space_group] => Im-3m
            [pearson] => cI96
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            [Year] => 2012
            [cn_sort] => 002-004-005-001-
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            [name] => 
            [pressure] => 
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            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
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            [ref_file] => /References/2012_JPhysChemC_116_25015_25021
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            [ref] => 
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)
xxx