xxx
Array
(
    [0] => Array
        (
            [id] => 632
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            [name] => 
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            [bulk_mod] => 
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            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 633
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            [ref_file] => /References/2009_JChemPhys_130_194512
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            [ref] => 
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)
xxx