1. Boasson, R., Laetsch, W. M.: Chloroplast replication and growth in tobacco. Science 166, 749?751 (1969).
2. Cronshaw, J., Esau, K.: Cell division in leaves of Nicotiana. Protoplasma (Wien) 65, 1?24 (1968).
3. Eyster, W. H.: Variation in size of plastids in genetic strains of Zea mays. Science 69, 48 (1929).
4. Granick, S.: The chloroplasts; their structure, composition and development. In: Photosynthesis in plants (J. Franck and W. E. Loomis, eds.), p. 113?132. Ames: Towa State Coll. Press 1949.
5. ?: Plastid structure, development and inheritance. In: Encyclopedia of plant physiology (W. Ruhland, ed.), vol. I, p. 507?654. Berlin-Göttingen-Heidelberg: Springer 1955.