1. Birnstiel, M., Speirs, J., Purdom, I., Jones, K., and Loening, U. E., (1968) Properties and composition of the isolated ribosomal DNA satellite of Xenopus laevis. Nature
219, 454–463.
2. Flamm, W. G. (1972) Highly repetitive sequences of DNA in chromosomes. Int. Rev. Cytol.
32, 2–51.
3. Ingle, J., Pearson, G. G., and Sinclair, J. (1973) Species distribution and properties of nuclear satellite DNA in higher plants. Nature New Biol.
242, 193–197.
4. Wells, R. and Ingle, J. (1970) The constancy of the buoyant density of chloroplast and mitochondrial deoxyribonucleic acid in a range of higher plants. Plant Physiol.
46, 178–179.
5. Grierson, D. (1977) The Nucleus and the Organization and Transcription of Nuclear DNA, in The Molecular Biology of Plant Cells. (H. Smith, ed.) Blackwell, Oxford.