var_dump /eurovoc /concepts/1970
object(Concept)#15464 (1) {
  ["_c":protected]=>
  array(5) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100198)
    }
    ["prefLabel"]=>
    object(MLString)#15465 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(16) "reserve currency"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(19) "monnaie de réserve"
        }
      }
    }
    ["scopeNote"]=>
    object(MLString)#15466 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(100) "Or et devises détenus par les institutions d'émission et destinés aux règlements des paiements.
"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(89) "Currency which countries are willing to hold as part of their foreign-exchange reserves.
"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(1677)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(1970)
    }
  }
}