%0 Journal Article %A M. Stroppel %T The Klein Quadric and the Classification of Nilpotent Lie Algebras of Class Two %J Journal of Lie theory %D 2008 %P 391-411 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2008_18_2_JLT_2008_18_2_a9/ %F JLT_2008_18_2_JLT_2008_18_2_a9