1. Heterochromatin;Brown;Science,1966
2. Comparative behavior of ring chromosomes;Kistenmacher;Amer. J. hum. Genet.,1970
3. Developmental abnormalities associated with a ring chromosome 6;Moore;J. med. Genet.,1973
4. Paris Conference 1971 1972 Standardization in human cytogenetics Birth Dejects: Original Article Series VIII
5. Ring D1 chromosome with remarkable morphological variation in a boy with mental retardation;Salamanca;Ann. Génét.,1972