00442nam a2200145Ia 450000500170000000800410001704100080005808200150006610000310008124500280011226000260014030000090016699900190017595201020019420260720174634.0260720s2006    xx            000 0 und d  aeng  a540.2 SCOI  aScott, H A William9269494  aInstant facts chemistry  aLondonbCollinsc2006  a180p  c243627d243627  001040708BEDaALbALd2026-07-20l0o540.2 SCOIpBED02019r2026-07-20 17:46:34w2026-07-20yBK