Friederichs, E. Abteilung Biochemische Kinetik, MPI for biophysical chemistry, Max Planck Society;
Friederichs, E., Raedisch, T., Winkler, H., & Tillmann, W. (1986). Calcium content of human-erythrocytes. A sensitive and easy handling tool for the measuement of free CA2+ ind red-blood-cells. Clinical Hemorheology, 6(5), 481-481.