1. Barlow, P. W., 1981 a: Argyrophilic nuclear structures in root apices. In: Structure and Function of Plant Roots (Brouwer, R. et al., eds.), pp. 43?47. The Hague-Boston-London: Nijhoff/Junk.
2. ?, 1981 b: Argyrophilic intranuclear bodies of plant cells. Experientia37, 1017?1018.
3. ?, 1983: Nucleolus-associated bodies (karyosomes) in dividing and differentiating plant cells. Protoplasma115, 1?10.
4. Bouteille, M., Hernandez-Verdun, D., Dupuy-Coin, A. M., Bourgeois, C. A., 1982: Nucleoli and nucleolar-related structures in normal, infected and drug-treated cells. In: The Nucleolus (Jordan, E. G., Cullis, C. A., eds.), pp. 179?211. Cambridge: Cambridge University Press.
5. Gaffal, K. P., Schneider, G. J., 1978: The changes in ultrastructure during fertilization of the colourless flagellatePolytoma papillatum with special reference to the configural changes of their mitochondria. Cytobiologie18, 161?173.