[ capword - capword sp othword sp capword ( year ) ] sp capword sp capword - capword sp othword sp capword sp capword sp ( othword . ) . sp upword num , capword sp othword sp othword sp year sp upword sp capword sp othword sp capword sp capword sp capword , sp capword , sp upword , sp upword sp - capword sp num , sp year sp ( upword , sp year ) . sp upword sp num - num - num - num - num .