EDIT

//				reference.setTitleCache(title);

				reference.setTitle(title);

				reference.setDatePublished(ImportHelper.getDatePublished(year));

				if (!authors.containsKey(refAuthor)) {

					if (refAuthor == null) {

	private void commitReferences(Map<Integer, Reference<?>> references,

			Map<String, TeamOrPersonBase<?>> authors,

			Map<Integer, UUID> referenceUuids, int i, TransactionStatus txStatus) {

		Map <UUID, Reference> referenceMap =getReferenceService().save((Collection)references.values());

		logger.info("i = " + i + " - references saved");

			uuid = referenceUuids.get(itRefs.next());

			uuidSet.add(uuid);

		}

		referenceList = getReferenceService().find(uuidSet);

		references = new HashMap<Integer, Reference>(limit);

		for (Reference<?> ref : referenceList){

			references.put(Integer.valueOf(((OriginalSourceBase)ref.getSources().iterator().next()).getIdInSource()), ref);

					TextData textData = TextData.NewInstance(Feature.CITATION());

					citation = references.get(storedReference.getReferenceId());

					originalSource = DescriptionElementSource.NewInstance(OriginalSourceType.PrimaryTaxonomicSource, null, null, citation, microCitation, null, null);

					if (isSynonym){

						syn = CdmBase.deproxy(taxonBase, Synonym.class);