1. Growth in the Aging Craniofacial Skeleton, Monograph 17;Behrents,1985
2. M.F. Guagliardo, Craniofacial structure, aging, and dental function: their relationships in adult human skeletal series, Doctoral dissertation, University of Tennessee, Knoxville, 1982.
3. Cochrane Handbook for Systematic Reviews of Interventions 4.2.5,2005
4. The allometric growth of the skull: general mode and prediction of facial growth;McKeown;Am. J. Orthod.,1975
5. Robust and least-squares orthogonal mapping: methods for the study of cephalofacial form and growth;Olshan;Am. J. Phys. Anthropol.,1982