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