xxx
Array
(
    [0] => Array
        (
            [id] => 1186
            [topology] => 4<sup>8</sup>T13
            [link_rcsr] => 
            [in_col] => 8
            [transitivity] => [8(14)(13)7]
            [space_group] => P2/m
            [pearson] => mP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>8</sup>T13
            [caid] => 295
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.454
            [e_gap] => 
            [energy] => 0.656
            [bulk_mod] => 428.1
            [shear_mod] => 483.6
            [vicker_hard] => 90.8
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1187
            [topology] => 4<sup>8</sup>T13
            [link_rcsr] => 
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            [space_group] => P2/m
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            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>8</sup>T13
            [caid] => 295
            [nn] => 1
            [name] => S-S1Z2
            [pressure] => 6.2
            [density] => 3.51
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 437.2
            [shear_mod] => 490.4
            [vicker_hard] => 82.8
            [ref_file] => /References/2012_PhysRevLet_108_135501
            [publ_year] => 2012
            [ref] => 
        )

    [2] => Array
        (
            [id] => 1188
            [topology] => 4<sup>8</sup>T13
            [link_rcsr] => 
            [in_col] => 8
            [transitivity] => [8(14)(13)7]
            [space_group] => P2/m
            [pearson] => mP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>8</sup>T13
            [caid] => 295
            [nn] => 2
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            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2016_PhysRevB_93_085201
            [publ_year] => 2016
            [ref] => 
        )

)
xxx