00418nam a2200169Ia 450000500170000000800410001702000180005804100080007608200090008410000210009324500320011425000070014626400490015330000260020265000060022865500140023420260922095543.0260922s9999    xx            000 0 und d  a0-521-60177-0  aeng  a415.1 aRICHARDS, Jack C10aInterchange 1b: Workbook 1  a13  aNew YorkbCambiridge University Press c2006  a96 hlm.bilus.c28 cm 4a0  aGrade 7-9