xxx
Array
(
    [0] => Array
        (
            [id] => 283
            [topology] => pcb
            [link_rcsr] => 
            [in_col] => 1
            [transitivity] => [1222]
            [space_group] => Im-3m
            [pearson] => cI144
            [cn] => 2, 4 (8:1)
            [Year] => 2012
            [cn_sort] => 002-004-008-001-
            [topology_str] => pcb
            [caid] => 45
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => .307
            [e_gap] => 
            [energy] => 1.774
            [bulk_mod] => -
            [shear_mod] => -
            [vicker_hard] => -
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 284
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            [space_group] => Im-3m
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            [cn] => 2, 4 (8:1)
            [Year] => 2012
            [cn_sort] => 002-004-008-001-
            [topology_str] => pcb
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            [nn] => 1
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            [pressure] => 
            [density] => 
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            [energy] => 
            [bulk_mod] => 
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            [vicker_hard] => 
            [ref_file] => /References/2012_JPhysChemC_116_25015_25021
            [publ_year] => 2012
            [ref] => 
        )

)
xxx