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