W.B. Frank, W.E. Haupin, H. Vogt, M. Bruno, J Thonstad, R.K. Dawless, H. Kvande, O.A. Taiwo: Aluminium in Ullmann's Encyclopedia of Industrial Chemistry, 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a01_459.pub2
C.A. Sutherland, E.F. Milner, R.C. Kerby, H. Teindl, A. Melin, H.M. Bolt: Lead in Ullmann's Encyclopedia of Industrial Chemistry, 2006 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a15_193.pub2
J.H. Downing, P.D. Deeley, R. Fichte: Chromium and Chromium Alloys in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a07 043.
K.-H. Schulte-Schrepping, M. Piscator: Cadmium and Cadmium Compounds in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a04_499.
J.D. Donaldson, D. Beyersmann: Cobalt and Cobalt Compounds in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a07_281.pub2.
A. Lossin: Copper in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a07_471.
A. Klemm, G. Hartmann, L. Lange: Sodium and Sodium Alloys in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a24 277
M. Simon, P. Jönk, G. Wühl-Couturier, S. Halbach: Mercury, Mercury Alloys, and Mercury Compounds in Ullmann's Encyclopedia of Industrial Chemistry, 2006 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a16 269.pub2
W. Zulehner, B. Neuer, G. Rau: Silicon in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a23_721
E. Lassner, W.-D. Schubert, E. Lüderitz, H.U. Wolf: Tungsten, Tungsten Alloys, and Tungsten Compounds in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a27_229
G.G. Graf: Zinc in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a28_509
G.G. Graf: Tin, Tin Alloys, and Tin Compounds in Ullmann's Encyclopedia of Industrial Chemistry, 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, دُوِي:10.1002/14356007.a27_049
