xxx
Array
(
    [0] => Array
        (
            [id] => 526
            [topology] => bik-3,4-Cmcm
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2321]
            [space_group] => Cmcm
            [pearson] => oS12
            [cn] => 3, 4 (2:1)
            [Year] => 2013
            [cn_sort] => 003-004-002-001-
            [topology_str] => bik-3,4-Cmcm
            [caid] => 99
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 2.627
            [e_gap] => 
            [energy] => 0.168
            [bulk_mod] => 304.0
            [shear_mod] => 213.5
            [vicker_hard] => 25.1
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 527
            [topology] => bik-3,4-Cmcm
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2321]
            [space_group] => Cmcm
            [pearson] => oS12
            [cn] => 3, 4 (2:1)
            [Year] => 2013
            [cn_sort] => 003-004-002-001-
            [topology_str] => bik-3,4-Cmcm
            [caid] => 99
            [nn] => 1
            [name] => ZGM-12
            [pressure] => 
            [density] => 2.59
            [e_gap] => 0.49
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_AdvFunctMater
            [publ_year] => 2013
            [ref] => 
        )

    [2] => Array
        (
            [id] => 528
            [topology] => bik-3,4-Cmcm
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2321]
            [space_group] => Cmcm
            [pearson] => oS12
            [cn] => 3, 4 (2:1)
            [Year] => 2013
            [cn_sort] => 003-004-002-001-
            [topology_str] => bik-3,4-Cmcm
            [caid] => 99
            [nn] => 2
            [name] => oC12-carbon
            [pressure] => 
            [density] => 
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 304.3
            [shear_mod] => 231.7
            [vicker_hard] => 31.9
            [ref_file] => /References/2014_JSupHardMat_36_257
            [publ_year] => 2014
            [ref] => 
        )

    [3] => Array
        (
            [id] => 529
            [topology] => bik-3,4-Cmcm
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2321]
            [space_group] => Cmcm
            [pearson] => oS12
            [cn] => 3, 4 (2:1)
            [Year] => 2013
            [cn_sort] => 003-004-002-001-
            [topology_str] => bik-3,4-Cmcm
            [caid] => 99
            [nn] => 3
            [name] => IGN
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 311
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2015_ACSNanoletter_15_6974
            [publ_year] => 2015
            [ref] => 
        )

)
xxx