J. L. V. D. Plas

Coordination compounds of the rigid rod ligand 1-(2-pyridyl)-2-(2-thienyl)ethyne (pythio). Single crystal X-ray structures of [Cu(pythio)2(NO3)2] and [Zn(pythio)2Cl2]

T. Neenan, J. Reedijk, R. Graaff, 1998 .

Matrix methods for solving protein substructures of chlorine and sulfur from anomalous data.

J P Abrahams, J. Abrahams, R. Graaff, 2001, Acta crystallographica. Section D, Biological crystallography.