00382nam a2200109Ia 450000500170000000800410001705000190005810000180007724500840009526000550017965000380023420251229184224.0251229s9999    xx            000 0 und d  aQD 31 .W54 C.1  aWilliams, A.L 0aIntroduction to chemistry/- A.L.Williams, H.D.Embree and H.J.Dedey.cA Williams  aReadingb Massachusettsc Addison-Wesley pub. 1968  aChemistry-Handbooks, Manuals Etc.