00315nam a2200121Ia 4500008004100000040002500041082001200066100002400078245003200102250002000134260003100154300000800185230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a510 B43  aBenigno, Gloria D.  0aScience for school children  aRevised Edition  bRex Book Store, Inc.c2006  a280