00336nam a2200157Ia 4500008004100000020000900041035001000050082001300060100002200073245003900095250000600134260001700140300000800157500000700165650000600172210723s9999||||xx |||||||||||||| ||und||  aNULL  a25369  a546BPAR  aPartington, J. R. 2aA Text-book Of Inorganic Chemistry  a-  aLondonbELBS  a993  a21  a-