00400nam a2200181Ia 4500008004100000041001200041082000800053082001100061100001500072100001800087100001100105245002400116260001100140260001700151260000900168300001600177650002500193150909s9999    xx            000 0 und d  aEnglish  a546  bPUR/IN  aKotz J C    aPurcell K F    eAuthor  aInorganic chemistry  aLondon  bW B sounders  c1977  a1116  Pages  aMolecular topologies