1. Beck, W. A.: Pigments formed in etiolated sunflower seedlings. Protoplasma (Berl.)28, 87–123 (1938).
2. Blaauw-Jansen, G., J. G. Komen andJ. B. Thomas: On the relation between the formation of assimilatory pigments and the rate of photosynthesis in etiolated oat seedlings. Biochim. biophys. Acta5, 179–185 (1950).
3. Egle, K.: Biologischer Chlorophyllabbau. In Handbuch der Pflanzenphysiologie, Bd. V, S. 354–386. Berlin-Göttingen-Heidelberg: Springer 1960.
4. Frank, S.: The effectiveness of the spectrum in chlorophyll formation. J. gen. Physiol.29, 157–179 (1946).
5. French, C. S.: The chlorophylls in vivo and in vitro. In Handbuch der Pflanzen-physiologie, Bd. V, S. 252–297. Berlin-Göttingen-Heidelberg: Springer 1960.