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