1. Bali?ek P, ?i?ka J, Skalská H (1977) Length of human constitutive heterochromatin in relation to chromosomal contraction. Hum Genet 38:189?193
2. Jacobs PA (1977) Human chromosome heteromorphisms. In: Steinberg AG, Bearn AG, Motulsky AG, Childs B (eds) Progress in medical genetics, new series vol II. Saunders, Philadelphia, pp 251?274
3. Lelikova GP, Benyush VA, Tsvetkova TG (1977) Quantitative analysis of centromere heterochromatin polymorphism in human chromosomes. Genetica (XIII) 12:2195?2200
4. Madan K, Bobrow M (1974) Structural variation in chromosome no. 9. Ann Genet (Paris) 17:81?86
5. Müller H, Klinger HP, Glasser M (1975) Chromosome polymorphism in a human newborn population. II. Potentials of polymorphic chromosome variants for characterizing the idiogram of an individual. Cytogenet Cell Genet 15:239?255