EDIT

	//$useDescriptions = cdm_ws_get()

	$markerTypes['markerTypes'] = UUID_MARKERTYPE_USE;

	$useDescriptions = cdm_ws_get(CDM_WS_PORTAL_TAXON_DESCRIPTIONS, substr(strrchr($_GET["q"], '/'), 1), queryString($markerTypes));

	 //= substr(strrchr($_GET["q"], '/'), 1);

	//$descout = print_r($useDescriptions);

    foreach ($descriptionElementsBibliogragphy as $descriptionElementsBiblio) {

	foreach($useDescriptions as $useDescription) {

		if (is_array($useDescription->sources)) {

			foreach ($useDescription->sources as $source) {

				$isAlreadySelected = false;

				if(empty($listOfReferences)) {

					$listOfReferences[] = $source;

				}

				else {

					foreach ($listOfReferences as $selectedReference) {

						if ($selectedReference->citation->uuid == $source->citation->uuid) {

							$isAlreadySelected = true;

						}

					}

					if (!$isAlreadySelected) {

						$listOfReferences[] = $source;

					}

				}

			}

		}

	}