1. A homozygous chromosomal variant;Berg;Lancet,1969
2. From the karyotype of the apes to the human karyotype;Chiarelli;South African Journal of Science,1968
3. A homozygous chromosomal variant;Hirschhorn;Lancet,1969
4. Induced chromosomal aberrations with special reference to man;Hirschhorn,1969
5. Mechanisms of chromosomal changes in mammalian speciation;Hsu,1969