1. Agard, D.A. & Sedat, J.W. 1983 Three-dimensional architecture of a polytene nucleus. Nature 302, 676–681.
2. Ashley, T. 1979 Specific end-to-end attachment of chromosomes in Ornithogalum virens. J. Cell Sci. 38, 357–367.
3. Ashley, T. & Pocock, N. 1981 A proposed model of chromosomal organization in nuclei at fertilization. Genetica 55, 161–169.
4. Avivi, L. & Feldman, M. 1980 Arrangement of chromosomes in the interphase nucleus of plants. Hum. Genet. 55, 281–295.
5. Bennett, M.D. 1982 The nucleotypic basis of the spatial ordering of chromosomes in eukaryotes and the implications of the order for genome evolution and phenotypic variation. pp 239–261 In ‘Genome Evolution’ eds G.A. Dover & R.B. Flavell, Academic Press, London.