protected static String referenceTitleWithSepCharacters = "(((" + referenceTitle +"|\\(.+\\))" + anySepChar + ")*" + referenceTitle + ")"; //,?
//TODO test performance ??
protected static String referenceTitleWithSepCharactersAndBrackets = referenceTitleWithSepCharacters + fWs + "(\\(" + referenceTitleWithSepCharacters + "\\)"+fWs+ ")?(" + referenceTitleWithSepCharacters +")?" ;
protected static String referenceTitleWithSepCharacters = "(((" + referenceTitle +"|\\(.+\\))" + anySepChar + ")*" + referenceTitle + ")"; //,?
//TODO test performance ??
protected static String referenceTitleWithSepCharactersAndBrackets = referenceTitleWithSepCharacters + fWs + "(\\(" + referenceTitleWithSepCharacters + "\\)"+fWs+ ")?(" + referenceTitleWithSepCharacters +")?" ;