1. On The Measurement of Morphology and its Change
2. Bookstein, E., Chernoff, B., Elder, R., Humphries, J., Smith, G. and Strauss, R. 1985.Morphometrics in Evolutionary Biology. Academy of Natural Sciences of Philadelphia Special Publication 15275
3. Shape analysis in the study of dinosaur morphology
4. Morphometric observations on hadrosaurid ornithopods