00314nam a2200121Ia 450000500170000000800410001702000180005808200160007610000180009224500280011026000440013830000100018220260205101337.0260111s9999||||xx |||||||||||||| ||und||  a9780194420969  a428.24  SWA  aSwan, Michael 0aPractical english usage  aNew YorkbOxford University Pressc2005  a653p.