Sándor L. Bekö, Sonja M. Hammer, Martin U. Schmidt:
Kristallstrukturen der Hydratstufen von Pigment Red 57:1,
Crystal Structures of the Hydration States of Pigment Red 57:1 ,
Angew. Chem. 2012, 124, 4814–4818,
Angew. Chem. Int. Ed. 2012, 51, 4735–4738.
With inside back cover.

Martin U. Schmidt, Jürgen Brüning, Jürgen Glinnemann, Maximilian W. Hützler, Philipp Mörschel,Svetlana N. Ivashevskaya, Jacco van de Streek, Dario Braga, Lucia Maini, Michele R. Chierotti, Roberto Gobetto:
Die thermodynamisch stabile Form von fester Barbitursäure: das Enol-Tautomer.
The Thermodynamically Stable Form of Solid Barbituric Acid: The Enol Tautomer.
Angew. Chem. 2011, 123, 8070–8072,
Angew. Chem. Int. Ed. 2011, 50, 7924–7926.