xxx
Array
(
    [0] => Array
        (
            [id] => 829
            [topology] => csp
            [link_rcsr] => http://rcsr.net/nets/csp
            [in_col] => 3
            [transitivity] => [3774]
            [space_group] => Pm-3n
            [pearson] => cP120
            [cn] => 4
            [Year] => 1991
            [cn_sort] => 004-
            [topology_str] => csp
            [caid] => 187
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 2.657
            [e_gap] => 
            [energy] => 1.235
            [bulk_mod] => 294.5
            [shear_mod] => 273.5
            [vicker_hard] => 46.6
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 830
            [topology] => csp
            [link_rcsr] => http://rcsr.net/nets/csp
            [in_col] => 3
            [transitivity] => [3774]
            [space_group] => Pm-3n
            [pearson] => cP120
            [cn] => 4
            [Year] => 1991
            [cn_sort] => 004-
            [topology_str] => csp
            [caid] => 187
            [nn] => 1
            [name] => csp
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/1991Nature352_674
            [publ_year] => 1991
            [ref] => 
        )

)
xxx