Contact potential differences measurement: short history and experimental setup for classroom demonstration. - Ulrich Klein; Wolfgang Vollmann; Paulo José Abatti (IEEE Trans. Educ., 2003)

Reproducibility of brain metabolite concentration measurements in lesion free white matter at 1.5 T. - Martin H. J. Busch; Wolfgang Vollmann; Serban Mateiescu; Manuel Stolze; Martin Deli; Marietta Garmer; Dietrich H. W. Grönemeyer (BMC Medical Imaging, 2015)