1. Fink, H., Hookwin, O., Weigelin, E.: The lens weight of cockerels during the first twelve months- an example of the application of non-linear regression analysis. Acta genet. (Basel) 18, 180?191 (1968)
2. Fink, H., Hockwin, O., Weigelin, E.: Growth curve of the eye lens of some domestic and test animals. Ophthal. Res. 1, 321?337 (1970)
3. Glasmacher, M.: Enzymaktivitäten und Konzentrationen verschiedener Glycolysezwischenprodukte in Rinderlinsen in Abhängigkeit vom Lebensalter. Dissertation, Bonn 1972
4. Hockwin, O.: Carbohydrate metabolism of the lens depending on age. II. Fructose diphosphate aldolase (EC 4.1.2.13) and lactate dehydrogenase (EC 1.1.1.27) in bovine lenses. Jap. J. Ophthal. 18, 37?49 (1974)
5. Hockwin, O., Fink, H., Glasmacher, M.: Carbohydrate metabolism of the lens depending on age. III. Factor analysis of changes in enzyme activities and substrate concentrations in bovine lenses. (In Vorbereitung)