00357nam a2200157Ia 450000500170000000800410001702000180005804100080007608200100008410000180009424500200011226400280013230000190016065000060017965500140018520260914083225.0260914s9999    xx            000 0 und d  a1-86418-145-1  aeng  a621.91 aGRAYSON, Anna10aHow Things Work  aMontereybRegencyc1996  a48 hlm.c26 cm 4a0  aGrade 7-9