00781    a2200265   4500001000700000020001500007041000800022090001500030100002200045250001000067300001000077490005100087697001700138697002600155697001000181697001000191830005100201856002400252040002500276245004900301260002800350942000700378952011100385999001900496107477  a1580863760  apor  aYear 4 530  aRogers, Kirsteen.  a. ed.  a64 p.  aThe Usborne Internet-linked library of science  aElectricity.  aElectromagnetic waves  aLight  aSound  aThe Usborne Internet-linked library of science  u000013/000013d5.jpg  aBR-BrIDEAcBR-BrIDEA10aLight, sound & electricityc Kirsteen Rogers  a[S.l.]bUsborne ;c2002  cBK  00102ddc4070a12.28b12.28d2013-04-29l0oYear 4 530p00001699SSWr2024-01-23 14:36:05w2024-01-23yBK  c107477d107477