%0 Journal Article %A M.T. Reetz %A G.P.L. Krebs %T Challenges in the directed evolution of stereoselective enzymes for use in organic chemistry %J Comptes Rendus. Chimie %D 2011 %P 811-818 %V 14 %N 9 %I Elsevier %R 10.1016/j.crci.2011.02.002 %G en %F CRCHIM_2011__14_9_811_0