1. M. Dahlmann , J.Grub and E.Löser , in Ullmann's Encyclopedia of Industrial Chemistry , Wiley-VCH Verlag GmbH & Co. KGaA , Weinheim, Germany , 2011 , vol. 100 C , pp. 1–24
2. H. N. Sun and J. P.Wristers , in Kirk-Othmer Encyclopedia of Chemical Technology , John Wiley & Sons, Inc. , Hoboken, NJ, USA , 2002 , vol. 4
3. N. Kosaric , Z.Duvnjak , A.Farkas , H.Sahm , S.Bringer-Meyer , O.Goebel and D.Mayer , in Ullmann's Encyclopedia of Industrial Chemistry , Wiley-VCH Verlag GmbH & Co. KGaA , Weinheim, Germany , 2011 , pp. 1–72
4. Recent Breakthroughs in the Conversion of Ethanol to Butadiene
5. Catalytic transformation of ethanol into 1,3-butadiene