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Top 20 Directory:
Top : Science : Chemistry : Elements : Lanthanides
  		• Cerium@
  		• Dysprosium@
  		• Erbium@
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  		• Gadolinium@
  		• Holmium@
  		• Lanthanum@
  		• Lutetium@
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  		• Praseodymium@
  		• Promethium@
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  		• Terbium@
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    Sites:
  		• Lanthanide Complexes Geometry Prediction: Use of the sparkle/AM1 model, semiempirical MOPAC 93r2 source code implementation, and sample input and output files.
  		• Lanthanides: Chemical, spectroscopic, and magnetic properties along with information on oxidation states.
  		• Rare Earth Elements On The Net: General information about lanthanides, history, properties, and applications.
  		• The Luminescent Lanthanide Homepage: Features an overview of the group, how they can be made luminescent, bibliography, and links.
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