xxx
Array
(
    [0] => Array
        (
            [id] => 995
            [topology] => 4<sup>4</sup>T36
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [49(10)7]
            [space_group] => Pmmn
            [pearson] => oP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T36
            [caid] => 230
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.450
            [e_gap] => 
            [energy] => 0.697
            [bulk_mod] => 431.2
            [shear_mod] => 473.9
            [vicker_hard] => 88.4
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 996
            [topology] => 4<sup>4</sup>T36
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [49(10)7]
            [space_group] => Pmmn
            [pearson] => oP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T36
            [caid] => 230
            [nn] => 1
            [name] => P-carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2012_JACS_134_12362
            [publ_year] => 2012
            [ref] => 
        )

    [2] => Array
        (
            [id] => 997
            [topology] => 4<sup>4</sup>T36
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [49(10)7]
            [space_group] => Pmmn
            [pearson] => oP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T36
            [caid] => 230
            [nn] => 2
            [name] => P-carbon
            [pressure] => 
            [density] => 3.51
            [e_gap] => 3.93
            [energy] => 
            [bulk_mod] => 449.1
            [shear_mod] => 485.0
            [vicker_hard] => 78.5
            [ref_file] => /References/2012_PhysRevLet_108_135501
            [publ_year] => 2012
            [ref] => 
        )

    [3] => Array
        (
            [id] => 998
            [topology] => 4<sup>4</sup>T36
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [49(10)7]
            [space_group] => Pmmn
            [pearson] => oP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T36
            [caid] => 230
            [nn] => 3
            [name] => P-carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 447
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2014_Carbon_raman
            [publ_year] => 2014
            [ref] => 
        )

    [4] => Array
        (
            [id] => 999
            [topology] => 4<sup>4</sup>T36
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [49(10)7]
            [space_group] => Pmmn
            [pearson] => oP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T36
            [caid] => 230
            [nn] => 4
            [name] => P-carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2015_ChinPhysLett_3_096201
            [publ_year] => 2015
            [ref] => 
        )

    [5] => Array
        (
            [id] => 1000
            [topology] => 4<sup>4</sup>T36
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [49(10)7]
            [space_group] => Pmmn
            [pearson] => oP16
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>4</sup>T36
            [caid] => 230
            [nn] => 5
            [name] => P-carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2016_PhysRevB_93_085201
            [publ_year] => 2016
            [ref] => 
        )

)
xxx