1. Arnold, H., Blume, K.G., Busch, D., Lenkeit, U., Löhr, G.W., Lübs, E.: Klinische und biochemische Untersuchungen zur Glucosephosphatisomerase normaler menschlicher Erythrozyten und bei Glucosephosphatisomerase-Mangel. Klin. Wschr.48, 1299 (1970)
2. Arnold, H., Blume, K.G., Engelhardt, R., Löhr, G.W.: Glucosephosphate isomerase deficiency: Evidence for in vivo instability of an enzyme variant with hemolysis. Blood41, 691 (1973)
3. Arnold, H., Blume, K.G., Löhr, G.W., Schröter, W., Koch, H.H., Wonneberger, B.: Glucosephosphate isomerase deficiency with congenital nonspherocytic hemolytic anemia: A new variant Type Nordhorn. II. Purification and biochemical properties Pediat. Res.8, 26 (1974)
4. Arnold, H., Hoffmann, A., Blume, K.G., Engelhardt, R., Löhr, G.W.: Zur Frage gewebespezifischer Isoenzyme der Glucosephosphatisomerase des Menschen. Klin. Wschr.52, 149 (1974)
5. Baugham, M.A., Valentine, W.N., Paglia, D.E., Ways, P.O., Simon, E.R., DeMarsh, Q.B.: Hereditary hemolytic anemia associated with glucosephosphate isomerase deficiency—a new enzyme defect of human erythrocytes. Blood30, 850 (1967)