1. Quasi-continuous variation: the genetics of tooth morphology;Bailit;Am. J. phys. Anthrop.,1974
2. Anthropological and family studies on minor variants of the dental crown;Berry,1978
3. Comparison of the development of the second deciduous molar and first permanent molar in man;Butler;Archs oral Biol.,1967
4. Growth of human tooth germs;Butler,1971
5. The dentition of the American Indian;Dahlberg,1951