var_dump /eurovoc /concepts/4061
object(Concept)#12141 (1) {
  ["_c":protected]=>
  array(5) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100176)
    }
    ["prefLabel"]=>
    object(MLString)#12142 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(17) "history of Europe"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(20) "histoire de l'Europe"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#12143 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(3) {
          [0]=>
          string(19) "Schuman Declaration"
          [1]=>
          string(12) "Schuman plan"
          [2]=>
          string(35) "history of the European Communities"
        }
        ["fr"]=>
        array(3) {
          [0]=>
          string(20) "déclaration Schuman"
          [1]=>
          string(15) "histoire des CE"
          [2]=>
          string(12) "plan Schuman"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(1464)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(4061)
    }
  }
}