xxx
Array
(
    [0] => Array
        (
            [id] => 1167
            [topology] => 3<sup>2</sup>,4<sup>6</sup>T12
            [link_rcsr] => 
            [in_col] => 8
            [transitivity] => [8986]
            [space_group] => Pmma
            [pearson] => oP16
            [cn] => 3, 4 (1:3)
            [Year] => 2013
            [cn_sort] => 003-004-001-003-
            [topology_str] => 3<sup>2</sup>,4<sup>6</sup>T12
            [caid] => 287
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.357
            [e_gap] => 
            [energy] => 0.701
            [bulk_mod] => 409.5
            [shear_mod] => 365.5
            [vicker_hard] => 59.9
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1168
            [topology] => 3<sup>2</sup>,4<sup>6</sup>T12
            [link_rcsr] => 
            [in_col] => 8
            [transitivity] => [8986]
            [space_group] => Pmma
            [pearson] => oP16
            [cn] => 3, 4 (1:3)
            [Year] => 2013
            [cn_sort] => 003-004-001-003-
            [topology_str] => 3<sup>2</sup>,4<sup>6</sup>T12
            [caid] => 287
            [nn] => 1
            [name] => 16E
            [pressure] => 20
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_PhysRev_B_88_014102
            [publ_year] => 2013
            [ref] => 
        )

)
xxx