xxx
Array
(
    [0] => Array
        (
            [id] => 1287
            [topology] => 4<sup>16</sup>T4
            [link_rcsr] => 
            [in_col] => 16
            [transitivity] => [(16)(26)(25)(15)]
            [space_group] => P2/m
            [pearson] => mP32
            [cn] => 4
            [Year] => 2016
            [cn_sort] => 004-
            [topology_str] => 4<sup>16</sup>T4
            [caid] => 338
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.499
            [e_gap] => 
            [energy] => 0.613
            [bulk_mod] => 420.7
            [shear_mod] => 491.1
            [vicker_hard] => 92.8
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1288
            [topology] => 4<sup>16</sup>T4
            [link_rcsr] => 
            [in_col] => 16
            [transitivity] => [(16)(26)(25)(15)]
            [space_group] => P2/m
            [pearson] => mP32
            [cn] => 4
            [Year] => 2016
            [cn_sort] => 004-
            [topology_str] => 4<sup>16</sup>T4
            [caid] => 338
            [nn] => 1
            [name] => 10(I)
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2016_PhysRevB_93_085201
            [publ_year] => 2016
            [ref] => 
        )

)
xxx