xxx
Array
(
    [0] => Array
        (
            [id] => 601
            [topology] => bik
            [link_rcsr] => http://rcsr.net/nets/bik
            [in_col] => 2
            [transitivity] => [2432]
            [space_group] => Cmcm
            [pearson] => oS12
            [cn] => 4
            [Year] => 1993
            [cn_sort] => 004-
            [topology_str] => bik
            [caid] => 124
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.278
            [e_gap] => 
            [energy] => 0.797
            [bulk_mod] => 397.9
            [shear_mod] => 444.5
            [vicker_hard] => 83.2
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 602
            [topology] => bik
            [link_rcsr] => http://rcsr.net/nets/bik
            [in_col] => 2
            [transitivity] => [2432]
            [space_group] => Cmcm
            [pearson] => oS12
            [cn] => 4
            [Year] => 1993
            [cn_sort] => 004-
            [topology_str] => bik
            [caid] => 124
            [nn] => 1
            [name] => C-BIK
            [pressure] => 
            [density] => 
            [e_gap] => 3.14
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/1993_Angew_Nesper_foam_C
            [publ_year] => 1993
            [ref] => 
        )

)
xxx