00316nam a2200121Ia 4500008004100000082002100041100001900062245002500081250000600106260004600112300000800158650002800166120425s9999    xx            000 0 und d  a ENG  428  SWA-B  a Swan, Michael  a Basic English usage  a1  b Oxford University Press, New Delhic2003  a288  a Standard English usage