var_dump /eurovoc /concepts/6067
object(Concept)#1244 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100220)
    }
    ["prefLabel"]=>
    object(MLString)#1245 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(23) "bibliothèque virtuelle"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(15) "virtual library"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#1246 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(4) {
          [0]=>
          string(18) "electronic library"
          [1]=>
          string(13) "cyber library"
          [2]=>
          string(12) "cyberlibrary"
          [3]=>
          string(15) "digital library"
        }
        ["fr"]=>
        array(2) {
          [0]=>
          string(24) "bibliothèque numérique"
          [1]=>
          string(18) "cyberbibliothèque"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(4865)
    }
    ["related"]=>
    array(3) {
      [0]=>
      int(6191)
      [1]=>
      int(6088)
      [2]=>
      int(8470)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(6067)
    }
  }
}