@Test
public void extractAllReferencesStringNull() {

	ReferenceExtractor extractor = new ReferenceExtractor();
	String res = extractor
			.extractAllReferencesString(
					"Economic Development Quarterly November 2011 25: 353-365, first published on August 25, 2011.",
					false, 0, false, null, null);
	//assertEquals(0, nbRes);
}