var_dump /eurovoc /concepts/2470
object(Concept)#3907 (1) {
  ["_c":protected]=>
  array(7) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100242)
    }
    ["topConceptOf"]=>
    array(1) {
      [0]=>
      int(100242)
    }
    ["prefLabel"]=>
    object(MLString)#3908 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(20) "environmental policy"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(28) "politique de l'environnement"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#3909 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(26) "gestion de l'environnement"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(24) "environmental management"
        }
      }
    }
    ["narrower"]=>
    array(18) {
      [0]=>
      int(5682)
      [1]=>
      int(2869)
      [2]=>
      int(1160)
      [3]=>
      int(535)
      [4]=>
      int(2919)
      [5]=>
      int(1709)
      [6]=>
      int(5794)
      [7]=>
      int(3139)
      [8]=>
      int(8550)
      [9]=>
      int(1157)
      [10]=>
      int(3140)
      [11]=>
      int(6397)
      [12]=>
      string(10) "c_165899a6"
      [13]=>
      string(4) "4074"
      [14]=>
      string(10) "c_bb1a60eb"
      [15]=>
      string(4) "6396"
      [16]=>
      string(10) "c_749f2ce9"
      [17]=>
      string(10) "c_d8ba2fe4"
    }
    ["related"]=>
    array(6) {
      [0]=>
      int(5675)
      [1]=>
      int(5585)
      [2]=>
      int(2505)
      [3]=>
      int(2007)
      [4]=>
      int(632)
      [5]=>
      int(833)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(2470)
    }
  }
}