xxx
Array
(
    [0] => Array
        (
            [id] => 993
            [topology] => 4<sup>4</sup>T105
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [4974]
            [space_group] => P-421c
            [pearson] => tP32
            [cn] => 4
            [Year] => 2016
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T105
            [caid] => 229
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.595
            [e_gap] => 
            [energy] => 0.793
            [bulk_mod] => 389.9
            [shear_mod] => 492.4
            [vicker_hard] => 94.0
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 994
            [topology] => 4<sup>4</sup>T105
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [4974]
            [space_group] => P-421c
            [pearson] => tP32
            [cn] => 4
            [Year] => 2016
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T105
            [caid] => 229
            [nn] => 1
            [name] => t32
            [pressure] => 
            [density] => 3.530
            [e_gap] => 5.41
            [energy] => 
            [bulk_mod] => 352
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2016_PhysRevB_94_174102
            [publ_year] => 2016
            [ref] => 
        )

)
xxx