00410nam a22001337i 4500001001000000005001700010008004100027082001800068100003700086245005800123260004800181300001700229650003000246SXC02914620260819093839.0260101s2006    ii            000 0 eng d  a425 SWA-G222  aSwan, Michael; Walter, Catherine10aGood grammar book /cSwan, Michael; Walter, Catherine  abOxford University Press., New York,c2006  ap. ;c22 cm. 0aEnglish structural system