xxx
Array
(
    [0] => Array
        (
            [id] => 1229
            [topology] => 4<sup>10</sup>T8
            [link_rcsr] => 
            [in_col] => 10
            [transitivity] => [(10)(15)(14)9]
            [space_group] => Pmn21
            [pearson] => oP20
            [cn] => 4
            [Year] => 2013
            [cn_sort] => 004-
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            [name] => 
            [pressure] => 
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            [e_gap] => 
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            [bulk_mod] => 416.0
            [shear_mod] => 481.2
            [vicker_hard] => 90.8
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1230
            [topology] => 4<sup>10</sup>T8
            [link_rcsr] => 
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            [transitivity] => [(10)(15)(14)9]
            [space_group] => Pmn21
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            [Year] => 2013
            [cn_sort] => 004-
            [topology_str] => 4<sup>10</sup>T8
            [caid] => 312
            [nn] => 1
            [name] => 20A
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            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_PhysRev_B_88_014102
            [publ_year] => 2013
            [ref] => 
        )

)
xxx