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