00374nam a2200157Ia 450000500170000000800410001702000180005804100080007608200100008424500250009425000060011926400430012530000260016865000060019465500160020020260922095828.0260922s9999    xx            000 0 und d  a981-4140-25-2  aind  a495.110aLao Han Kao Er Zi  3  a6  aSingapore bNewton Publications c2006  a60 hlm.bilus.c23 cm 4a0  aGrade 10-12