var_dump /eurovoc /concepts/421
object(Concept)#7875 (1) {
  ["_c":protected]=>
  array(5) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100286)
    }
    ["prefLabel"]=>
    object(MLString)#7876 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(53) "European Association of National Productivity Centres"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(62) "Association européenne des centres nationaux de productivité"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#7877 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(3) {
          [0]=>
          string(28) "European Productivity Agency"
          [1]=>
          string(3) "EPA"
          [2]=>
          string(5) "EANPC"
        }
        ["fr"]=>
        array(2) {
          [0]=>
          string(35) "Agence européenne de productivité"
          [1]=>
          string(3) "AEP"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(2187)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(421)
    }
  }
}