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