xxx
Array
(
    [0] => Array
        (
            [id] => 868
            [topology] => ajk3
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [4432]
            [space_group] => I-43m
            [pearson] => cl46
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => ajk3
            [caid] => 204
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.206
            [e_gap] => 
            [energy] => 0.798
            [bulk_mod] => 399.5
            [shear_mod] => 424.2
            [vicker_hard] => 78.2
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 869
            [topology] => ajk3
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [4432]
            [space_group] => I-43m
            [pearson] => cl46
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => ajk3
            [caid] => 204
            [nn] => 1
            [name] => clathrates VIII
            [pressure] => 
            [density] => 3.20
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 421
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2011_JPCC_finland
            [publ_year] => 2011
            [ref] => 
        )

    [2] => Array
        (
            [id] => 870
            [topology] => ajk3
            [link_rcsr] => 
            [in_col] => 4
            [transitivity] => [4432]
            [space_group] => I-43m
            [pearson] => cl46
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => ajk3
            [caid] => 204
            [nn] => 2
            [name] => clathrates VIII
            [pressure] => 
            [density] => 3.20
            [e_gap] => 7.3
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2011_InorgChem_50_1733_1742_1733
            [publ_year] => 2011
            [ref] => 
        )

)
xxx