xxx
Array
(
    [0] => Array
        (
            [id] => 1157
            [topology] => 4<sup>7</sup>T7
            [link_rcsr] => 
            [in_col] => 7
            [transitivity] => [7(12)(11)6]
            [space_group] => I2/m
            [pearson] => mS28
            [cn] => 4
            [Year] => 2013
            [cn_sort] => 004-
            [topology_str] => 4<sup>7</sup>T7
            [caid] => 282
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.421
            [e_gap] => 
            [energy] => 0.670
            [bulk_mod] => 424.5
            [shear_mod] => 476.5
            [vicker_hard] => 89.3
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1158
            [topology] => 4<sup>7</sup>T7
            [link_rcsr] => 
            [in_col] => 7
            [transitivity] => [7(12)(11)6]
            [space_group] => I2/m
            [pearson] => mS28
            [cn] => 4
            [Year] => 2013
            [cn_sort] => 004-
            [topology_str] => 4<sup>7</sup>T7
            [caid] => 282
            [nn] => 1
            [name] => 14A
            [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