xxx
Array
(
    [0] => Array
        (
            [id] => 457
            [topology] => cag
            [link_rcsr] => http://rcsr.net/nets/cag
            [in_col] => 1
            [transitivity] => [1431]
            [space_group] => Cmcm
            [pearson] => oS16
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => cag
            [caid] => 81
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.357
            [e_gap] => 
            [energy] => 0.220
            [bulk_mod] => 415.5
            [shear_mod] => 428.2
            [vicker_hard] => 78.0
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 458
            [topology] => cag
            [link_rcsr] => http://rcsr.net/nets/cag
            [in_col] => 1
            [transitivity] => [1431]
            [space_group] => Cmcm
            [pearson] => oS16
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => cag
            [caid] => 81
            [nn] => 1
            [name] => LA5
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2011_Journal of Experimental and Theoretical Physics_113_1_ 86
            [publ_year] => 2011
            [ref] => 
        )

    [2] => Array
        (
            [id] => 459
            [topology] => cag
            [link_rcsr] => http://rcsr.net/nets/cag
            [in_col] => 1
            [transitivity] => [1431]
            [space_group] => Cmcm
            [pearson] => oS16
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => cag
            [caid] => 81
            [nn] => 2
            [name] => LA5
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/book_Crystal structures and properties of diamond-like phases of carbon
            [publ_year] => 
            [ref] => 
        )

    [3] => Array
        (
            [id] => 460
            [topology] => cag
            [link_rcsr] => http://rcsr.net/nets/cag
            [in_col] => 1
            [transitivity] => [1431]
            [space_group] => Cmcm
            [pearson] => oS16
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => cag
            [caid] => 81
            [nn] => 3
            [name] => Y-carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2012_ PhysRevB_85_201407
            [publ_year] => 2012
            [ref] => 
        )

    [4] => Array
        (
            [id] => 461
            [topology] => cag
            [link_rcsr] => http://rcsr.net/nets/cag
            [in_col] => 1
            [transitivity] => [1431]
            [space_group] => Cmcm
            [pearson] => oS16
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => cag
            [caid] => 81
            [nn] => 4
            [name] => Y-carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2012_JSuperHardMat_34_350
            [publ_year] => 2012
            [ref] => 
        )

)
xxx