xxx
Array
(
    [0] => Array
        (
            [id] => 1010
            [topology] => 4<sup>4</sup>T37
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [4(12)(12)6]
            [space_group] => C2/m
            [pearson] => mS32
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T37
            [caid] => 234
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.337
            [e_gap] => 
            [energy] => 0.806
            [bulk_mod] => 406.0
            [shear_mod] => 428.8
            [vicker_hard] => 78.9
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1011
            [topology] => 4<sup>4</sup>T37
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [4(12)(12)6]
            [space_group] => C2/m
            [pearson] => mS32
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T37
            [caid] => 234
            [nn] => 1
            [name] => mC32
            [pressure] => 
            [density] => 
            [e_gap] => 3.47
            [energy] => 
            [bulk_mod] => 384.5
            [shear_mod] => 
            [vicker_hard] => 70.2
            [ref_file] => /References/2011_PhysRev_B_84_161411
            [publ_year] => 2011
            [ref] => 
        )

    [2] => Array
        (
            [id] => 1012
            [topology] => 4<sup>4</sup>T37
            [link_rcsr] => 
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            [transitivity] => [4(12)(12)6]
            [space_group] => C2/m
            [pearson] => mS32
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
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            [caid] => 234
            [nn] => 2
            [name] => mC32
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2012_SCIENTIFIC REPORTS_2
            [publ_year] => 2012
            [ref] => 
        )

)
xxx