var_dump /eurovoc /concepts/648
object(Concept)#6323 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100237)
    }
    ["prefLabel"]=>
    object(MLString)#6324 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(19) "transport economics"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(24) "économie des transports"
        }
      }
    }
    ["scopeNote"]=>
    object(MLString)#6325 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(85) "Study of transport requirements and the most appropriate ways in which to meet them.
"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(89) "Étude des besoins de déplacement et des moyens les plus appropriés de les satisfaire.
"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(2494)
    }
    ["related"]=>
    array(1) {
      [0]=>
      int(637)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(648)
    }
  }
}