xxx
Array
(
    [0] => Array
        (
            [id] => 1169
            [topology] => 3,4<sup>7</sup>T1
            [link_rcsr] => 
            [in_col] => 8
            [transitivity] => [8998]
            [space_group] => Cmmm
            [pearson] => oS32
            [cn] => 3, 4 (1:7)
            [Year] => 2013
            [cn_sort] => 003-004-001-007-
            [topology_str] => 3,4<sup>7</sup>T1
            [caid] => 288
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.443
            [e_gap] => 
            [energy] => 0.663
            [bulk_mod] => 427.8
            [shear_mod] => 400.3
            [vicker_hard] => 68.6
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1170
            [topology] => 3,4<sup>7</sup>T1
            [link_rcsr] => 
            [in_col] => 8
            [transitivity] => [8998]
            [space_group] => Cmmm
            [pearson] => oS32
            [cn] => 3, 4 (1:7)
            [Year] => 2013
            [cn_sort] => 003-004-001-007-
            [topology_str] => 3,4<sup>7</sup>T1
            [caid] => 288
            [nn] => 1
            [name] => 16C
            [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