xxx
Array
(
    [0] => Array
        (
            [id] => 839
            [topology] => 3,4<sup>2</sup>T135
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3883]
            [space_group] => Pmma
            [pearson] => oP20
            [cn] => 3, 4 (2:3)
            [Year] => 2013
            [cn_sort] => 003-004-002-003-
            [topology_str] => 3,4<sup>2</sup>T135
            [caid] => 191
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 2.637
            [e_gap] => 
            [energy] => 0.977
            [bulk_mod] => 285.7
            [shear_mod] => 206.9
            [vicker_hard] => 25.1
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 840
            [topology] => 3,4<sup>2</sup>T135
            [link_rcsr] => 
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            [transitivity] => [3883]
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            [pearson] => oP20
            [cn] => 3, 4 (2:3)
            [Year] => 2013
            [cn_sort] => 003-004-002-003-
            [topology_str] => 3,4<sup>2</sup>T135
            [caid] => 191
            [nn] => 1
            [name] => 3D (5,0)-II
            [pressure] => 35
            [density] => 
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            [energy] => 
            [bulk_mod] => 284.21
            [shear_mod] => 220.27
            [vicker_hard] => 84.5
            [ref_file] => /References/2013_ScientificReports_3_1331
            [publ_year] => 2013
            [ref] => 
        )

)
xxx