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